Home / 3,067.68-4,231.26-2,319.24

Finding the Fourth Proportional to 3,067.68, 4,231.26 and 2,319.24

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Solution

The fourth proportional to 3,067.68, 4,231.26 and 2,319.24 is: 3,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.68 : 4,231.26 = 2,319.24 : x
  2. Step 2: Convert to fraction form
    3,067.68/4,231.26 = 2,319.24/x
  3. Step 3: Cross multiply
    3,067.68x = 4,231.26 × 2,319.24
  4. Step 4: Simplify right side
    3,067.68x = 9,813,307.44
  5. Step 5: Solve for x
    x = 9,813,307.44/3,067.68
  6. Step 6: Final answer
    x = 3,198.93

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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.