Home / 3,961.28-5,466.12-2,469.44

Finding the Fourth Proportional to 3,961.28, 5,466.12 and 2,469.44

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Solution

The fourth proportional to 3,961.28, 5,466.12 and 2,469.44 is: 3,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.28 : 5,466.12 = 2,469.44 : x
  2. Step 2: Convert to fraction form
    3,961.28/5,466.12 = 2,469.44/x
  3. Step 3: Cross multiply
    3,961.28x = 5,466.12 × 2,469.44
  4. Step 4: Simplify right side
    3,961.28x = 13,498,255.37
  5. Step 5: Solve for x
    x = 13,498,255.37/3,961.28
  6. Step 6: Final answer
    x = 3,407.55

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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.