Home / 3,519.35-5,278.99-2,067.71

Finding the Fourth Proportional to 3,519.35, 5,278.99 and 2,067.71

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Solution

The fourth proportional to 3,519.35, 5,278.99 and 2,067.71 is: 3,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.35 : 5,278.99 = 2,067.71 : x
  2. Step 2: Convert to fraction form
    3,519.35/5,278.99 = 2,067.71/x
  3. Step 3: Cross multiply
    3,519.35x = 5,278.99 × 2,067.71
  4. Step 4: Simplify right side
    3,519.35x = 10,915,420.41
  5. Step 5: Solve for x
    x = 10,915,420.41/3,519.35
  6. Step 6: Final answer
    x = 3,101.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.