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Finding the Fourth Proportional to 3,167.56, 4,761.96 and 2,555.56

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Solution

The fourth proportional to 3,167.56, 4,761.96 and 2,555.56 is: 3,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.56 : 4,761.96 = 2,555.56 : x
  2. Step 2: Convert to fraction form
    3,167.56/4,761.96 = 2,555.56/x
  3. Step 3: Cross multiply
    3,167.56x = 4,761.96 × 2,555.56
  4. Step 4: Simplify right side
    3,167.56x = 12,169,474.50
  5. Step 5: Solve for x
    x = 12,169,474.50/3,167.56
  6. Step 6: Final answer
    x = 3,841.91

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1.5x scale

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.