Home / 3,791.36-5,229.11-2,531.96

Finding the Fourth Proportional to 3,791.36, 5,229.11 and 2,531.96

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Solution

The fourth proportional to 3,791.36, 5,229.11 and 2,531.96 is: 3,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.36 : 5,229.11 = 2,531.96 : x
  2. Step 2: Convert to fraction form
    3,791.36/5,229.11 = 2,531.96/x
  3. Step 3: Cross multiply
    3,791.36x = 5,229.11 × 2,531.96
  4. Step 4: Simplify right side
    3,791.36x = 13,239,882.91
  5. Step 5: Solve for x
    x = 13,239,882.91/3,791.36
  6. Step 6: Final answer
    x = 3,492.12

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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.