Home / 3,148.08-4,721.94-1,067.40

Finding the Fourth Proportional to 3,148.08, 4,721.94 and 1,067.40

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Solution

The fourth proportional to 3,148.08, 4,721.94 and 1,067.40 is: 1,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.08 : 4,721.94 = 1,067.40 : x
  2. Step 2: Convert to fraction form
    3,148.08/4,721.94 = 1,067.40/x
  3. Step 3: Cross multiply
    3,148.08x = 4,721.94 × 1,067.40
  4. Step 4: Simplify right side
    3,148.08x = 5,040,198.76
  5. Step 5: Solve for x
    x = 5,040,198.76/3,148.08
  6. Step 6: Final answer
    x = 1,601.04

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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.