Home / 2,711.08-4,066.28-736.86

Finding the Fourth Proportional to 2,711.08, 4,066.28 and 736.86

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Solution

The fourth proportional to 2,711.08, 4,066.28 and 736.86 is: 1,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.08 : 4,066.28 = 736.86 : x
  2. Step 2: Convert to fraction form
    2,711.08/4,066.28 = 736.86/x
  3. Step 3: Cross multiply
    2,711.08x = 4,066.28 × 736.86
  4. Step 4: Simplify right side
    2,711.08x = 2,996,279.08
  5. Step 5: Solve for x
    x = 2,996,279.08/2,711.08
  6. Step 6: Final answer
    x = 1,105.20

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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.