Home / 3,753.60-5,178.06-2,575.80

Finding the Fourth Proportional to 3,753.60, 5,178.06 and 2,575.80

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Solution

The fourth proportional to 3,753.60, 5,178.06 and 2,575.80 is: 3,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.60 : 5,178.06 = 2,575.80 : x
  2. Step 2: Convert to fraction form
    3,753.60/5,178.06 = 2,575.80/x
  3. Step 3: Cross multiply
    3,753.60x = 5,178.06 × 2,575.80
  4. Step 4: Simplify right side
    3,753.60x = 13,337,646.95
  5. Step 5: Solve for x
    x = 13,337,646.95/3,753.60
  6. Step 6: Final answer
    x = 3,553.29

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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.