Home / 2,252.43-3,380.24-791.70

Finding the Fourth Proportional to 2,252.43, 3,380.24 and 791.70

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Solution

The fourth proportional to 2,252.43, 3,380.24 and 791.70 is: 1,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.43 : 3,380.24 = 791.70 : x
  2. Step 2: Convert to fraction form
    2,252.43/3,380.24 = 791.70/x
  3. Step 3: Cross multiply
    2,252.43x = 3,380.24 × 791.70
  4. Step 4: Simplify right side
    2,252.43x = 2,676,136.01
  5. Step 5: Solve for x
    x = 2,676,136.01/2,252.43
  6. Step 6: Final answer
    x = 1,188.11

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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.