Home / 3,693.12-5,538.72-1,227.96

Finding the Fourth Proportional to 3,693.12, 5,538.72 and 1,227.96

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Solution

The fourth proportional to 3,693.12, 5,538.72 and 1,227.96 is: 1,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.12 : 5,538.72 = 1,227.96 : x
  2. Step 2: Convert to fraction form
    3,693.12/5,538.72 = 1,227.96/x
  3. Step 3: Cross multiply
    3,693.12x = 5,538.72 × 1,227.96
  4. Step 4: Simplify right side
    3,693.12x = 6,801,326.61
  5. Step 5: Solve for x
    x = 6,801,326.61/3,693.12
  6. Step 6: Final answer
    x = 1,841.62

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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.