Home / 2,722.88-3,759.77-2,218.80

Finding the Fourth Proportional to 2,722.88, 3,759.77 and 2,218.80

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Solution

The fourth proportional to 2,722.88, 3,759.77 and 2,218.80 is: 3,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.88 : 3,759.77 = 2,218.80 : x
  2. Step 2: Convert to fraction form
    2,722.88/3,759.77 = 2,218.80/x
  3. Step 3: Cross multiply
    2,722.88x = 3,759.77 × 2,218.80
  4. Step 4: Simplify right side
    2,722.88x = 8,342,177.68
  5. Step 5: Solve for x
    x = 8,342,177.68/2,722.88
  6. Step 6: Final answer
    x = 3,063.73

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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.