Home / 3,934.59-5,419.21-2,938.29

Finding the Fourth Proportional to 3,934.59, 5,419.21 and 2,938.29

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Solution

The fourth proportional to 3,934.59, 5,419.21 and 2,938.29 is: 4,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.59 : 5,419.21 = 2,938.29 : x
  2. Step 2: Convert to fraction form
    3,934.59/5,419.21 = 2,938.29/x
  3. Step 3: Cross multiply
    3,934.59x = 5,419.21 × 2,938.29
  4. Step 4: Simplify right side
    3,934.59x = 15,923,210.55
  5. Step 5: Solve for x
    x = 15,923,210.55/3,934.59
  6. Step 6: Final answer
    x = 4,046.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.