Home / 3,306.98-4,961.20-1,115.66

Finding the Fourth Proportional to 3,306.98, 4,961.20 and 1,115.66

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Solution

The fourth proportional to 3,306.98, 4,961.20 and 1,115.66 is: 1,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.98 : 4,961.20 = 1,115.66 : x
  2. Step 2: Convert to fraction form
    3,306.98/4,961.20 = 1,115.66/x
  3. Step 3: Cross multiply
    3,306.98x = 4,961.20 × 1,115.66
  4. Step 4: Simplify right side
    3,306.98x = 5,534,996.19
  5. Step 5: Solve for x
    x = 5,534,996.19/3,306.98
  6. Step 6: Final answer
    x = 1,673.73

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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.