Home / 1,454.50-2,179.79-1,042.73

Finding the Fourth Proportional to 1,454.50, 2,179.79 and 1,042.73

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Solution

The fourth proportional to 1,454.50, 2,179.79 and 1,042.73 is: 1,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.50 : 2,179.79 = 1,042.73 : x
  2. Step 2: Convert to fraction form
    1,454.50/2,179.79 = 1,042.73/x
  3. Step 3: Cross multiply
    1,454.50x = 2,179.79 × 1,042.73
  4. Step 4: Simplify right side
    1,454.50x = 2,272,934.53
  5. Step 5: Solve for x
    x = 2,272,934.53/1,454.50
  6. Step 6: Final answer
    x = 1,562.69

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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.