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Finding the Fourth Proportional to 1,701.32, 2,551.97 and 879.17

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Solution

The fourth proportional to 1,701.32, 2,551.97 and 879.17 is: 1,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.32 : 2,551.97 = 879.17 : x
  2. Step 2: Convert to fraction form
    1,701.32/2,551.97 = 879.17/x
  3. Step 3: Cross multiply
    1,701.32x = 2,551.97 × 879.17
  4. Step 4: Simplify right side
    1,701.32x = 2,243,604.90
  5. Step 5: Solve for x
    x = 2,243,604.90/1,701.32
  6. Step 6: Final answer
    x = 1,318.75

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Similar ratio
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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.