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Finding the Fourth Proportional to 3,937.12, 5,901.90 and 3,324.76

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Solution

The fourth proportional to 3,937.12, 5,901.90 and 3,324.76 is: 4,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.12 : 5,901.90 = 3,324.76 : x
  2. Step 2: Convert to fraction form
    3,937.12/5,901.90 = 3,324.76/x
  3. Step 3: Cross multiply
    3,937.12x = 5,901.90 × 3,324.76
  4. Step 4: Simplify right side
    3,937.12x = 19,622,401.04
  5. Step 5: Solve for x
    x = 19,622,401.04/3,937.12
  6. Step 6: Final answer
    x = 4,983.95

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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.