Home / 2,712.92-4,066.50-1,153.76

Finding the Fourth Proportional to 2,712.92, 4,066.50 and 1,153.76

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Solution

The fourth proportional to 2,712.92, 4,066.50 and 1,153.76 is: 1,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.92 : 4,066.50 = 1,153.76 : x
  2. Step 2: Convert to fraction form
    2,712.92/4,066.50 = 1,153.76/x
  3. Step 3: Cross multiply
    2,712.92x = 4,066.50 × 1,153.76
  4. Step 4: Simplify right side
    2,712.92x = 4,691,765.04
  5. Step 5: Solve for x
    x = 4,691,765.04/2,712.92
  6. Step 6: Final answer
    x = 1,729.42

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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.