Home / 3,127.28-4,691.66-1,179.52

Finding the Fourth Proportional to 3,127.28, 4,691.66 and 1,179.52

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Solution

The fourth proportional to 3,127.28, 4,691.66 and 1,179.52 is: 1,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.28 : 4,691.66 = 1,179.52 : x
  2. Step 2: Convert to fraction form
    3,127.28/4,691.66 = 1,179.52/x
  3. Step 3: Cross multiply
    3,127.28x = 4,691.66 × 1,179.52
  4. Step 4: Simplify right side
    3,127.28x = 5,533,889.18
  5. Step 5: Solve for x
    x = 5,533,889.18/3,127.28
  6. Step 6: Final answer
    x = 1,769.56

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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.