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Finding the Fourth Proportional to 2,751.10, 4,117.05 and 2,520.70

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Solution

The fourth proportional to 2,751.10, 4,117.05 and 2,520.70 is: 3,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.10 : 4,117.05 = 2,520.70 : x
  2. Step 2: Convert to fraction form
    2,751.10/4,117.05 = 2,520.70/x
  3. Step 3: Cross multiply
    2,751.10x = 4,117.05 × 2,520.70
  4. Step 4: Simplify right side
    2,751.10x = 10,377,847.94
  5. Step 5: Solve for x
    x = 10,377,847.94/2,751.10
  6. Step 6: Final answer
    x = 3,772.25

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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.