Home / 1,753.30-2,627.11-826.66

Finding the Fourth Proportional to 1,753.30, 2,627.11 and 826.66

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Solution

The fourth proportional to 1,753.30, 2,627.11 and 826.66 is: 1,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.30 : 2,627.11 = 826.66 : x
  2. Step 2: Convert to fraction form
    1,753.30/2,627.11 = 826.66/x
  3. Step 3: Cross multiply
    1,753.30x = 2,627.11 × 826.66
  4. Step 4: Simplify right side
    1,753.30x = 2,171,726.75
  5. Step 5: Solve for x
    x = 2,171,726.75/1,753.30
  6. Step 6: Final answer
    x = 1,238.65

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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.