Home / 3,965.28-5,938.20-2,729.22

Finding the Fourth Proportional to 3,965.28, 5,938.20 and 2,729.22

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Solution

The fourth proportional to 3,965.28, 5,938.20 and 2,729.22 is: 4,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.28 : 5,938.20 = 2,729.22 : x
  2. Step 2: Convert to fraction form
    3,965.28/5,938.20 = 2,729.22/x
  3. Step 3: Cross multiply
    3,965.28x = 5,938.20 × 2,729.22
  4. Step 4: Simplify right side
    3,965.28x = 16,206,654.20
  5. Step 5: Solve for x
    x = 16,206,654.20/3,965.28
  6. Step 6: Final answer
    x = 4,087.14

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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.