Home / 3,542.91-5,314.05-1,078.28

Finding the Fourth Proportional to 3,542.91, 5,314.05 and 1,078.28

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Solution

The fourth proportional to 3,542.91, 5,314.05 and 1,078.28 is: 1,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.91 : 5,314.05 = 1,078.28 : x
  2. Step 2: Convert to fraction form
    3,542.91/5,314.05 = 1,078.28/x
  3. Step 3: Cross multiply
    3,542.91x = 5,314.05 × 1,078.28
  4. Step 4: Simplify right side
    3,542.91x = 5,730,007.26
  5. Step 5: Solve for x
    x = 5,730,007.26/3,542.91
  6. Step 6: Final answer
    x = 1,617.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.