Home / 3,951.18-5,451.71-2,625.62

Finding the Fourth Proportional to 3,951.18, 5,451.71 and 2,625.62

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Solution

The fourth proportional to 3,951.18, 5,451.71 and 2,625.62 is: 3,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.18 : 5,451.71 = 2,625.62 : x
  2. Step 2: Convert to fraction form
    3,951.18/5,451.71 = 2,625.62/x
  3. Step 3: Cross multiply
    3,951.18x = 5,451.71 × 2,625.62
  4. Step 4: Simplify right side
    3,951.18x = 14,314,078.42
  5. Step 5: Solve for x
    x = 14,314,078.42/3,951.18
  6. Step 6: Final answer
    x = 3,622.74

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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.