Home / 3,728.94-5,593.42-1,131.90

Finding the Fourth Proportional to 3,728.94, 5,593.42 and 1,131.90

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Solution

The fourth proportional to 3,728.94, 5,593.42 and 1,131.90 is: 1,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.94 : 5,593.42 = 1,131.90 : x
  2. Step 2: Convert to fraction form
    3,728.94/5,593.42 = 1,131.90/x
  3. Step 3: Cross multiply
    3,728.94x = 5,593.42 × 1,131.90
  4. Step 4: Simplify right side
    3,728.94x = 6,331,192.10
  5. Step 5: Solve for x
    x = 6,331,192.10/3,728.94
  6. Step 6: Final answer
    x = 1,697.85

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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.