Home / 3,241.29-4,861.90-2,198.71

Finding the Fourth Proportional to 3,241.29, 4,861.90 and 2,198.71

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Solution

The fourth proportional to 3,241.29, 4,861.90 and 2,198.71 is: 3,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.29 : 4,861.90 = 2,198.71 : x
  2. Step 2: Convert to fraction form
    3,241.29/4,861.90 = 2,198.71/x
  3. Step 3: Cross multiply
    3,241.29x = 4,861.90 × 2,198.71
  4. Step 4: Simplify right side
    3,241.29x = 10,689,908.15
  5. Step 5: Solve for x
    x = 10,689,908.15/3,241.29
  6. Step 6: Final answer
    x = 3,298.04

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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.