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Finding the Fourth Proportional to 3,744.55, 5,622.90 and 2,711.80

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Solution

The fourth proportional to 3,744.55, 5,622.90 and 2,711.80 is: 4,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.55 : 5,622.90 = 2,711.80 : x
  2. Step 2: Convert to fraction form
    3,744.55/5,622.90 = 2,711.80/x
  3. Step 3: Cross multiply
    3,744.55x = 5,622.90 × 2,711.80
  4. Step 4: Simplify right side
    3,744.55x = 15,248,180.22
  5. Step 5: Solve for x
    x = 15,248,180.22/3,744.55
  6. Step 6: Final answer
    x = 4,072.10

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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.