Home / 3,067.30-4,203.38-2,772.05

Finding the Fourth Proportional to 3,067.30, 4,203.38 and 2,772.05

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Solution

The fourth proportional to 3,067.30, 4,203.38 and 2,772.05 is: 3,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.30 : 4,203.38 = 2,772.05 : x
  2. Step 2: Convert to fraction form
    3,067.30/4,203.38 = 2,772.05/x
  3. Step 3: Cross multiply
    3,067.30x = 4,203.38 × 2,772.05
  4. Step 4: Simplify right side
    3,067.30x = 11,651,976.18
  5. Step 5: Solve for x
    x = 11,651,976.18/3,067.30
  6. Step 6: Final answer
    x = 3,798.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.