Home / 3,836.15-5,743.97-2,190.44

Finding the Fourth Proportional to 3,836.15, 5,743.97 and 2,190.44

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Solution

The fourth proportional to 3,836.15, 5,743.97 and 2,190.44 is: 3,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.15 : 5,743.97 = 2,190.44 : x
  2. Step 2: Convert to fraction form
    3,836.15/5,743.97 = 2,190.44/x
  3. Step 3: Cross multiply
    3,836.15x = 5,743.97 × 2,190.44
  4. Step 4: Simplify right side
    3,836.15x = 12,581,790.19
  5. Step 5: Solve for x
    x = 12,581,790.19/3,836.15
  6. Step 6: Final answer
    x = 3,279.79

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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.