Home / 3,839.67-5,729.55-3,425.96

Finding the Fourth Proportional to 3,839.67, 5,729.55 and 3,425.96

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Solution

The fourth proportional to 3,839.67, 5,729.55 and 3,425.96 is: 5,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.67 : 5,729.55 = 3,425.96 : x
  2. Step 2: Convert to fraction form
    3,839.67/5,729.55 = 3,425.96/x
  3. Step 3: Cross multiply
    3,839.67x = 5,729.55 × 3,425.96
  4. Step 4: Simplify right side
    3,839.67x = 19,629,209.12
  5. Step 5: Solve for x
    x = 19,629,209.12/3,839.67
  6. Step 6: Final answer
    x = 5,112.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.