Home / 3,287.17-4,534.72-2,223.55

Finding the Fourth Proportional to 3,287.17, 4,534.72 and 2,223.55

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Solution

The fourth proportional to 3,287.17, 4,534.72 and 2,223.55 is: 3,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.17 : 4,534.72 = 2,223.55 : x
  2. Step 2: Convert to fraction form
    3,287.17/4,534.72 = 2,223.55/x
  3. Step 3: Cross multiply
    3,287.17x = 4,534.72 × 2,223.55
  4. Step 4: Simplify right side
    3,287.17x = 10,083,176.66
  5. Step 5: Solve for x
    x = 10,083,176.66/3,287.17
  6. Step 6: Final answer
    x = 3,067.43

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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.