Home / 3,211.48-4,414.83-2,761.70

Finding the Fourth Proportional to 3,211.48, 4,414.83 and 2,761.70

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Solution

The fourth proportional to 3,211.48, 4,414.83 and 2,761.70 is: 3,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.48 : 4,414.83 = 2,761.70 : x
  2. Step 2: Convert to fraction form
    3,211.48/4,414.83 = 2,761.70/x
  3. Step 3: Cross multiply
    3,211.48x = 4,414.83 × 2,761.70
  4. Step 4: Simplify right side
    3,211.48x = 12,192,436.01
  5. Step 5: Solve for x
    x = 12,192,436.01/3,211.48
  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.