Home / 2,722.68-4,067.35-2,175.88

Finding the Fourth Proportional to 2,722.68, 4,067.35 and 2,175.88

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Solution

The fourth proportional to 2,722.68, 4,067.35 and 2,175.88 is: 3,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.68 : 4,067.35 = 2,175.88 : x
  2. Step 2: Convert to fraction form
    2,722.68/4,067.35 = 2,175.88/x
  3. Step 3: Cross multiply
    2,722.68x = 4,067.35 × 2,175.88
  4. Step 4: Simplify right side
    2,722.68x = 8,850,065.52
  5. Step 5: Solve for x
    x = 8,850,065.52/2,722.68
  6. Step 6: Final answer
    x = 3,250.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.