Home / 3,067.36-4,231.38-2,072.68

Finding the Fourth Proportional to 3,067.36, 4,231.38 and 2,072.68

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Solution

The fourth proportional to 3,067.36, 4,231.38 and 2,072.68 is: 2,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.36 : 4,231.38 = 2,072.68 : x
  2. Step 2: Convert to fraction form
    3,067.36/4,231.38 = 2,072.68/x
  3. Step 3: Cross multiply
    3,067.36x = 4,231.38 × 2,072.68
  4. Step 4: Simplify right side
    3,067.36x = 8,770,296.70
  5. Step 5: Solve for x
    x = 8,770,296.70/3,067.36
  6. Step 6: Final answer
    x = 2,859.23

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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.