Home / 4,084.22-5,634.42-2,721.80

Finding the Fourth Proportional to 4,084.22, 5,634.42 and 2,721.80

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Solution

The fourth proportional to 4,084.22, 5,634.42 and 2,721.80 is: 3,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.22 : 5,634.42 = 2,721.80 : x
  2. Step 2: Convert to fraction form
    4,084.22/5,634.42 = 2,721.80/x
  3. Step 3: Cross multiply
    4,084.22x = 5,634.42 × 2,721.80
  4. Step 4: Simplify right side
    4,084.22x = 15,335,764.36
  5. Step 5: Solve for x
    x = 15,335,764.36/4,084.22
  6. Step 6: Final answer
    x = 3,754.88

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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.