Home / 1,432.76-2,147.70-566.42

Finding the Fourth Proportional to 1,432.76, 2,147.70 and 566.42

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Solution

The fourth proportional to 1,432.76, 2,147.70 and 566.42 is: 849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.76 : 2,147.70 = 566.42 : x
  2. Step 2: Convert to fraction form
    1,432.76/2,147.70 = 566.42/x
  3. Step 3: Cross multiply
    1,432.76x = 2,147.70 × 566.42
  4. Step 4: Simplify right side
    1,432.76x = 1,216,500.23
  5. Step 5: Solve for x
    x = 1,216,500.23/1,432.76
  6. Step 6: Final answer
    x = 849.06

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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.