Home / 3,901.14-5,851.62-1,127.70

Finding the Fourth Proportional to 3,901.14, 5,851.62 and 1,127.70

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Solution

The fourth proportional to 3,901.14, 5,851.62 and 1,127.70 is: 1,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.14 : 5,851.62 = 1,127.70 : x
  2. Step 2: Convert to fraction form
    3,901.14/5,851.62 = 1,127.70/x
  3. Step 3: Cross multiply
    3,901.14x = 5,851.62 × 1,127.70
  4. Step 4: Simplify right side
    3,901.14x = 6,598,871.87
  5. Step 5: Solve for x
    x = 6,598,871.87/3,901.14
  6. Step 6: Final answer
    x = 1,691.52

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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.