Home / 3,227.16-4,454.84-2,180.64

Finding the Fourth Proportional to 3,227.16, 4,454.84 and 2,180.64

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Solution

The fourth proportional to 3,227.16, 4,454.84 and 2,180.64 is: 3,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.16 : 4,454.84 = 2,180.64 : x
  2. Step 2: Convert to fraction form
    3,227.16/4,454.84 = 2,180.64/x
  3. Step 3: Cross multiply
    3,227.16x = 4,454.84 × 2,180.64
  4. Step 4: Simplify right side
    3,227.16x = 9,714,391.39
  5. Step 5: Solve for x
    x = 9,714,391.39/3,227.16
  6. Step 6: Final answer
    x = 3,010.20

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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.