Home / 3,379.22-5,068.58-1,187.97

Finding the Fourth Proportional to 3,379.22, 5,068.58 and 1,187.97

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Solution

The fourth proportional to 3,379.22, 5,068.58 and 1,187.97 is: 1,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.22 : 5,068.58 = 1,187.97 : x
  2. Step 2: Convert to fraction form
    3,379.22/5,068.58 = 1,187.97/x
  3. Step 3: Cross multiply
    3,379.22x = 5,068.58 × 1,187.97
  4. Step 4: Simplify right side
    3,379.22x = 6,021,296.04
  5. Step 5: Solve for x
    x = 6,021,296.04/3,379.22
  6. Step 6: Final answer
    x = 1,781.86

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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.