Home / 3,331.40-4,988.12-2,549.61

Finding the Fourth Proportional to 3,331.40, 4,988.12 and 2,549.61

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Solution

The fourth proportional to 3,331.40, 4,988.12 and 2,549.61 is: 3,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.40 : 4,988.12 = 2,549.61 : x
  2. Step 2: Convert to fraction form
    3,331.40/4,988.12 = 2,549.61/x
  3. Step 3: Cross multiply
    3,331.40x = 4,988.12 × 2,549.61
  4. Step 4: Simplify right side
    3,331.40x = 12,717,747.89
  5. Step 5: Solve for x
    x = 12,717,747.89/3,331.40
  6. Step 6: Final answer
    x = 3,817.54

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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.