Home / 1,679.10-2,517.14-801.06

Finding the Fourth Proportional to 1,679.10, 2,517.14 and 801.06

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Solution

The fourth proportional to 1,679.10, 2,517.14 and 801.06 is: 1,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.10 : 2,517.14 = 801.06 : x
  2. Step 2: Convert to fraction form
    1,679.10/2,517.14 = 801.06/x
  3. Step 3: Cross multiply
    1,679.10x = 2,517.14 × 801.06
  4. Step 4: Simplify right side
    1,679.10x = 2,016,380.17
  5. Step 5: Solve for x
    x = 2,016,380.17/1,679.10
  6. Step 6: Final answer
    x = 1,200.87

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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.