Home / 3,310.50-4,961.13-2,487.81

Finding the Fourth Proportional to 3,310.50, 4,961.13 and 2,487.81

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Solution

The fourth proportional to 3,310.50, 4,961.13 and 2,487.81 is: 3,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.50 : 4,961.13 = 2,487.81 : x
  2. Step 2: Convert to fraction form
    3,310.50/4,961.13 = 2,487.81/x
  3. Step 3: Cross multiply
    3,310.50x = 4,961.13 × 2,487.81
  4. Step 4: Simplify right side
    3,310.50x = 12,342,335.45
  5. Step 5: Solve for x
    x = 12,342,335.45/3,310.50
  6. Step 6: Final answer
    x = 3,728.24

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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.