Home / 2,745.77-3,788.37-1,683.18

Finding the Fourth Proportional to 2,745.77, 3,788.37 and 1,683.18

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Solution

The fourth proportional to 2,745.77, 3,788.37 and 1,683.18 is: 2,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.77 : 3,788.37 = 1,683.18 : x
  2. Step 2: Convert to fraction form
    2,745.77/3,788.37 = 1,683.18/x
  3. Step 3: Cross multiply
    2,745.77x = 3,788.37 × 1,683.18
  4. Step 4: Simplify right side
    2,745.77x = 6,376,508.62
  5. Step 5: Solve for x
    x = 6,376,508.62/2,745.77
  6. Step 6: Final answer
    x = 2,322.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.