Home / 3,934.26-5,429.45-2,519.15

Finding the Fourth Proportional to 3,934.26, 5,429.45 and 2,519.15

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Solution

The fourth proportional to 3,934.26, 5,429.45 and 2,519.15 is: 3,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.26 : 5,429.45 = 2,519.15 : x
  2. Step 2: Convert to fraction form
    3,934.26/5,429.45 = 2,519.15/x
  3. Step 3: Cross multiply
    3,934.26x = 5,429.45 × 2,519.15
  4. Step 4: Simplify right side
    3,934.26x = 13,677,578.12
  5. Step 5: Solve for x
    x = 13,677,578.12/3,934.26
  6. Step 6: Final answer
    x = 3,476.53

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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.