Home / 3,842.57-5,758.55-2,195.64

Finding the Fourth Proportional to 3,842.57, 5,758.55 and 2,195.64

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Solution

The fourth proportional to 3,842.57, 5,758.55 and 2,195.64 is: 3,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.57 : 5,758.55 = 2,195.64 : x
  2. Step 2: Convert to fraction form
    3,842.57/5,758.55 = 2,195.64/x
  3. Step 3: Cross multiply
    3,842.57x = 5,758.55 × 2,195.64
  4. Step 4: Simplify right side
    3,842.57x = 12,643,691.74
  5. Step 5: Solve for x
    x = 12,643,691.74/3,842.57
  6. Step 6: Final answer
    x = 3,290.43

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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.