Home / 1,963.41-2,709.43-1,067.11

Finding the Fourth Proportional to 1,963.41, 2,709.43 and 1,067.11

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Solution

The fourth proportional to 1,963.41, 2,709.43 and 1,067.11 is: 1,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.41 : 2,709.43 = 1,067.11 : x
  2. Step 2: Convert to fraction form
    1,963.41/2,709.43 = 1,067.11/x
  3. Step 3: Cross multiply
    1,963.41x = 2,709.43 × 1,067.11
  4. Step 4: Simplify right side
    1,963.41x = 2,891,250.41
  5. Step 5: Solve for x
    x = 2,891,250.41/1,963.41
  6. Step 6: Final answer
    x = 1,472.57

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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.