Home / 2,761.61-4,143.96-2,146.55

Finding the Fourth Proportional to 2,761.61, 4,143.96 and 2,146.55

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Solution

The fourth proportional to 2,761.61, 4,143.96 and 2,146.55 is: 3,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.61 : 4,143.96 = 2,146.55 : x
  2. Step 2: Convert to fraction form
    2,761.61/4,143.96 = 2,146.55/x
  3. Step 3: Cross multiply
    2,761.61x = 4,143.96 × 2,146.55
  4. Step 4: Simplify right side
    2,761.61x = 8,895,217.34
  5. Step 5: Solve for x
    x = 8,895,217.34/2,761.61
  6. Step 6: Final answer
    x = 3,221.03

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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.