$$ 1\ mile=5280\ ft $$

$$ Steps\ on\ pedometer=3898 $$

$$ 1\ step=2.25\ ft $$

$$ \therefore Distance\ in\ feet=3898\times2.25=8770\ ft $$

and

$$ \therefore Distance\ in\ nearest\ mile=\frac{8770}{5280}=1.66\approx1.7 $$