Home / 1,432.50-2,149.65-566.79

Finding the Fourth Proportional to 1,432.50, 2,149.65 and 566.79

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Solution

The fourth proportional to 1,432.50, 2,149.65 and 566.79 is: 850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.50 : 2,149.65 = 566.79 : x
  2. Step 2: Convert to fraction form
    1,432.50/2,149.65 = 566.79/x
  3. Step 3: Cross multiply
    1,432.50x = 2,149.65 × 566.79
  4. Step 4: Simplify right side
    1,432.50x = 1,218,400.12
  5. Step 5: Solve for x
    x = 1,218,400.12/1,432.50
  6. Step 6: Final answer
    x = 850.54

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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.