Home / 3,227.60-4,450.20-2,482.40

Finding the Fourth Proportional to 3,227.60, 4,450.20 and 2,482.40

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Solution

The fourth proportional to 3,227.60, 4,450.20 and 2,482.40 is: 3,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.60 : 4,450.20 = 2,482.40 : x
  2. Step 2: Convert to fraction form
    3,227.60/4,450.20 = 2,482.40/x
  3. Step 3: Cross multiply
    3,227.60x = 4,450.20 × 2,482.40
  4. Step 4: Simplify right side
    3,227.60x = 11,047,176.48
  5. Step 5: Solve for x
    x = 11,047,176.48/3,227.60
  6. Step 6: Final answer
    x = 3,422.72

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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.