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Finding the Fourth Proportional to 3,326.67, 4,992.82 and 1,353.76

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Solution

The fourth proportional to 3,326.67, 4,992.82 and 1,353.76 is: 2,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.67 : 4,992.82 = 1,353.76 : x
  2. Step 2: Convert to fraction form
    3,326.67/4,992.82 = 1,353.76/x
  3. Step 3: Cross multiply
    3,326.67x = 4,992.82 × 1,353.76
  4. Step 4: Simplify right side
    3,326.67x = 6,759,064.14
  5. Step 5: Solve for x
    x = 6,759,064.14/3,326.67
  6. Step 6: Final answer
    x = 2,031.78

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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.