Home / 2,950.38-4,067.94-2,551.32

Finding the Fourth Proportional to 2,950.38, 4,067.94 and 2,551.32

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Solution

The fourth proportional to 2,950.38, 4,067.94 and 2,551.32 is: 3,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.38 : 4,067.94 = 2,551.32 : x
  2. Step 2: Convert to fraction form
    2,950.38/4,067.94 = 2,551.32/x
  3. Step 3: Cross multiply
    2,950.38x = 4,067.94 × 2,551.32
  4. Step 4: Simplify right side
    2,950.38x = 10,378,616.68
  5. Step 5: Solve for x
    x = 10,378,616.68/2,950.38
  6. Step 6: Final answer
    x = 3,517.72

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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.