Laravel 5.4 - Access date on a multiple levels of hasMany / hasOne relationship

I got stuck on access data on a multiple level of relationship on Laravel 5.4. I have a feeling that it is straight forward in Laravel but I just can't figure it out. Here is the setup:

I got 3 models: User/Post/Application - representing user come to the job site to apply on the job posts.

I have the login set up and want to allow user to view application they been sent to the related job posts:

public function index() {

    $user = User::find(Auth::user()->id);
    $applications = $user->appliedPosts;

    return view('pages.user.appliedPost.index')->withApplications($applications);

}

I am able to connect the user with applications, but how do I get the title of the post based on the post_id on the "applications" table?

Thanks in advance.

via Chebli Mohamed