Home / 3,251.45-4,885.19-2,081.96

Finding the Fourth Proportional to 3,251.45, 4,885.19 and 2,081.96

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Solution

The fourth proportional to 3,251.45, 4,885.19 and 2,081.96 is: 3,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.45 : 4,885.19 = 2,081.96 : x
  2. Step 2: Convert to fraction form
    3,251.45/4,885.19 = 2,081.96/x
  3. Step 3: Cross multiply
    3,251.45x = 4,885.19 × 2,081.96
  4. Step 4: Simplify right side
    3,251.45x = 10,170,770.17
  5. Step 5: Solve for x
    x = 10,170,770.17/3,251.45
  6. Step 6: Final answer
    x = 3,128.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.