Home / 3,972.20-5,951.10-3,237.80

Finding the Fourth Proportional to 3,972.20, 5,951.10 and 3,237.80

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Solution

The fourth proportional to 3,972.20, 5,951.10 and 3,237.80 is: 4,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.20 : 5,951.10 = 3,237.80 : x
  2. Step 2: Convert to fraction form
    3,972.20/5,951.10 = 3,237.80/x
  3. Step 3: Cross multiply
    3,972.20x = 5,951.10 × 3,237.80
  4. Step 4: Simplify right side
    3,972.20x = 19,268,471.58
  5. Step 5: Solve for x
    x = 19,268,471.58/3,972.20
  6. Step 6: Final answer
    x = 4,850.83

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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.