Home / 3,934.74-5,425.80-2,938.44

Finding the Fourth Proportional to 3,934.74, 5,425.80 and 2,938.44

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Solution

The fourth proportional to 3,934.74, 5,425.80 and 2,938.44 is: 4,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.74 : 5,425.80 = 2,938.44 : x
  2. Step 2: Convert to fraction form
    3,934.74/5,425.80 = 2,938.44/x
  3. Step 3: Cross multiply
    3,934.74x = 5,425.80 × 2,938.44
  4. Step 4: Simplify right side
    3,934.74x = 15,943,387.75
  5. Step 5: Solve for x
    x = 15,943,387.75/3,934.74
  6. Step 6: Final answer
    x = 4,051.95

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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.