Home / 3,227.08-4,454.84-2,480.78

Finding the Fourth Proportional to 3,227.08, 4,454.84 and 2,480.78

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Solution

The fourth proportional to 3,227.08, 4,454.84 and 2,480.78 is: 3,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.08 : 4,454.84 = 2,480.78 : x
  2. Step 2: Convert to fraction form
    3,227.08/4,454.84 = 2,480.78/x
  3. Step 3: Cross multiply
    3,227.08x = 4,454.84 × 2,480.78
  4. Step 4: Simplify right side
    3,227.08x = 11,051,461.90
  5. Step 5: Solve for x
    x = 11,051,461.90/3,227.08
  6. Step 6: Final answer
    x = 3,424.60

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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.