Home / 1,932.45-2,898.52-545.73

Finding the Fourth Proportional to 1,932.45, 2,898.52 and 545.73

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Solution

The fourth proportional to 1,932.45, 2,898.52 and 545.73 is: 818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.45 : 2,898.52 = 545.73 : x
  2. Step 2: Convert to fraction form
    1,932.45/2,898.52 = 545.73/x
  3. Step 3: Cross multiply
    1,932.45x = 2,898.52 × 545.73
  4. Step 4: Simplify right side
    1,932.45x = 1,581,809.32
  5. Step 5: Solve for x
    x = 1,581,809.32/1,932.45
  6. Step 6: Final answer
    x = 818.55

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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.