Home / 3,961.62-5,466.29-2,282.90

Finding the Fourth Proportional to 3,961.62, 5,466.29 and 2,282.90

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Solution

The fourth proportional to 3,961.62, 5,466.29 and 2,282.90 is: 3,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.62 : 5,466.29 = 2,282.90 : x
  2. Step 2: Convert to fraction form
    3,961.62/5,466.29 = 2,282.90/x
  3. Step 3: Cross multiply
    3,961.62x = 5,466.29 × 2,282.90
  4. Step 4: Simplify right side
    3,961.62x = 12,478,954.70
  5. Step 5: Solve for x
    x = 12,478,954.70/3,961.62
  6. Step 6: Final answer
    x = 3,149.96

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1.5x scale

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.