Home / 3,638.97-5,020.92-2,519.55

Finding the Fourth Proportional to 3,638.97, 5,020.92 and 2,519.55

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Solution

The fourth proportional to 3,638.97, 5,020.92 and 2,519.55 is: 3,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.97 : 5,020.92 = 2,519.55 : x
  2. Step 2: Convert to fraction form
    3,638.97/5,020.92 = 2,519.55/x
  3. Step 3: Cross multiply
    3,638.97x = 5,020.92 × 2,519.55
  4. Step 4: Simplify right side
    3,638.97x = 12,650,458.99
  5. Step 5: Solve for x
    x = 12,650,458.99/3,638.97
  6. Step 6: Final answer
    x = 3,476.38

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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.