Home / 1,251.18-1,876.94-1,182.09

Finding the Fourth Proportional to 1,251.18, 1,876.94 and 1,182.09

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Solution

The fourth proportional to 1,251.18, 1,876.94 and 1,182.09 is: 1,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.18 : 1,876.94 = 1,182.09 : x
  2. Step 2: Convert to fraction form
    1,251.18/1,876.94 = 1,182.09/x
  3. Step 3: Cross multiply
    1,251.18x = 1,876.94 × 1,182.09
  4. Step 4: Simplify right side
    1,251.18x = 2,218,717.57
  5. Step 5: Solve for x
    x = 2,218,717.57/1,251.18
  6. Step 6: Final answer
    x = 1,773.30

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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.