Home / 3,211.49-4,414.83-2,761.71

Finding the Fourth Proportional to 3,211.49, 4,414.83 and 2,761.71

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Solution

The fourth proportional to 3,211.49, 4,414.83 and 2,761.71 is: 3,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.49 : 4,414.83 = 2,761.71 : x
  2. Step 2: Convert to fraction form
    3,211.49/4,414.83 = 2,761.71/x
  3. Step 3: Cross multiply
    3,211.49x = 4,414.83 × 2,761.71
  4. Step 4: Simplify right side
    3,211.49x = 12,192,480.16
  5. Step 5: Solve for x
    x = 12,192,480.16/3,211.49
  6. Step 6: Final answer
    x = 3,796.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.