Home / 1,452.30-2,177.76-527.61

Finding the Fourth Proportional to 1,452.30, 2,177.76 and 527.61

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Solution

The fourth proportional to 1,452.30, 2,177.76 and 527.61 is: 791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.30 : 2,177.76 = 527.61 : x
  2. Step 2: Convert to fraction form
    1,452.30/2,177.76 = 527.61/x
  3. Step 3: Cross multiply
    1,452.30x = 2,177.76 × 527.61
  4. Step 4: Simplify right side
    1,452.30x = 1,149,007.95
  5. Step 5: Solve for x
    x = 1,149,007.95/1,452.30
  6. Step 6: Final answer
    x = 791.16

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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.