Home / 3,917.28-5,867.28-2,375.04

Finding the Fourth Proportional to 3,917.28, 5,867.28 and 2,375.04

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Solution

The fourth proportional to 3,917.28, 5,867.28 and 2,375.04 is: 3,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.28 : 5,867.28 = 2,375.04 : x
  2. Step 2: Convert to fraction form
    3,917.28/5,867.28 = 2,375.04/x
  3. Step 3: Cross multiply
    3,917.28x = 5,867.28 × 2,375.04
  4. Step 4: Simplify right side
    3,917.28x = 13,935,024.69
  5. Step 5: Solve for x
    x = 13,935,024.69/3,917.28
  6. Step 6: Final answer
    x = 3,557.32

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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.