Home / 3,077.22-4,250.57-2,489.97

Finding the Fourth Proportional to 3,077.22, 4,250.57 and 2,489.97

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Solution

The fourth proportional to 3,077.22, 4,250.57 and 2,489.97 is: 3,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.22 : 4,250.57 = 2,489.97 : x
  2. Step 2: Convert to fraction form
    3,077.22/4,250.57 = 2,489.97/x
  3. Step 3: Cross multiply
    3,077.22x = 4,250.57 × 2,489.97
  4. Step 4: Simplify right side
    3,077.22x = 10,583,791.78
  5. Step 5: Solve for x
    x = 10,583,791.78/3,077.22
  6. Step 6: Final answer
    x = 3,439.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.