Let's begin by identifying key information given to us:
[tex]\begin{gathered} 3\div1,374\Rightarrow\frac{3}{1,374} \\ \frac{3}{1,374}\Rightarrow\frac{3\times1000}{1.374\times10^3}=\frac{2.1834}{10^3} \\ =0.0021834 \\ \\ \therefore3\div1,374=0.0021834 \end{gathered}[/tex]