Home / 3,067.92-4,603.80-2,871.12

Finding the Fourth Proportional to 3,067.92, 4,603.80 and 2,871.12

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Solution

The fourth proportional to 3,067.92, 4,603.80 and 2,871.12 is: 4,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.92 : 4,603.80 = 2,871.12 : x
  2. Step 2: Convert to fraction form
    3,067.92/4,603.80 = 2,871.12/x
  3. Step 3: Cross multiply
    3,067.92x = 4,603.80 × 2,871.12
  4. Step 4: Simplify right side
    3,067.92x = 13,218,062.26
  5. Step 5: Solve for x
    x = 13,218,062.26/3,067.92
  6. Step 6: Final answer
    x = 4,308.48

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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.