Home / 1,932.42-2,899.14-545.76

Finding the Fourth Proportional to 1,932.42, 2,899.14 and 545.76

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Solution

The fourth proportional to 1,932.42, 2,899.14 and 545.76 is: 818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.42 : 2,899.14 = 545.76 : x
  2. Step 2: Convert to fraction form
    1,932.42/2,899.14 = 545.76/x
  3. Step 3: Cross multiply
    1,932.42x = 2,899.14 × 545.76
  4. Step 4: Simplify right side
    1,932.42x = 1,582,234.65
  5. Step 5: Solve for x
    x = 1,582,234.65/1,932.42
  6. Step 6: Final answer
    x = 818.78

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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.