Home / 3,067.47-4,228.30-2,813.23

Finding the Fourth Proportional to 3,067.47, 4,228.30 and 2,813.23

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Solution

The fourth proportional to 3,067.47, 4,228.30 and 2,813.23 is: 3,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.47 : 4,228.30 = 2,813.23 : x
  2. Step 2: Convert to fraction form
    3,067.47/4,228.30 = 2,813.23/x
  3. Step 3: Cross multiply
    3,067.47x = 4,228.30 × 2,813.23
  4. Step 4: Simplify right side
    3,067.47x = 11,895,189.21
  5. Step 5: Solve for x
    x = 11,895,189.21/3,067.47
  6. Step 6: Final answer
    x = 3,877.85

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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.