Home / 2,712.38-4,065.73-1,252.49

Finding the Fourth Proportional to 2,712.38, 4,065.73 and 1,252.49

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Solution

The fourth proportional to 2,712.38, 4,065.73 and 1,252.49 is: 1,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.38 : 4,065.73 = 1,252.49 : x
  2. Step 2: Convert to fraction form
    2,712.38/4,065.73 = 1,252.49/x
  3. Step 3: Cross multiply
    2,712.38x = 4,065.73 × 1,252.49
  4. Step 4: Simplify right side
    2,712.38x = 5,092,262.71
  5. Step 5: Solve for x
    x = 5,092,262.71/2,712.38
  6. Step 6: Final answer
    x = 1,877.42

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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.