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Finding the Fourth Proportional to 3,771.97, 5,646.11 and 2,380.49

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Solution

The fourth proportional to 3,771.97, 5,646.11 and 2,380.49 is: 3,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.97 : 5,646.11 = 2,380.49 : x
  2. Step 2: Convert to fraction form
    3,771.97/5,646.11 = 2,380.49/x
  3. Step 3: Cross multiply
    3,771.97x = 5,646.11 × 2,380.49
  4. Step 4: Simplify right side
    3,771.97x = 13,440,489.43
  5. Step 5: Solve for x
    x = 13,440,489.43/3,771.97
  6. Step 6: Final answer
    x = 3,563.26

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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.