Home / 3,934.21-5,427.39-2,517.22

Finding the Fourth Proportional to 3,934.21, 5,427.39 and 2,517.22

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Solution

The fourth proportional to 3,934.21, 5,427.39 and 2,517.22 is: 3,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.21 : 5,427.39 = 2,517.22 : x
  2. Step 2: Convert to fraction form
    3,934.21/5,427.39 = 2,517.22/x
  3. Step 3: Cross multiply
    3,934.21x = 5,427.39 × 2,517.22
  4. Step 4: Simplify right side
    3,934.21x = 13,661,934.66
  5. Step 5: Solve for x
    x = 13,661,934.66/3,934.21
  6. Step 6: Final answer
    x = 3,472.60

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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.