Home / 3,219.44-4,446.96-2,222.96

Finding the Fourth Proportional to 3,219.44, 4,446.96 and 2,222.96

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Solution

The fourth proportional to 3,219.44, 4,446.96 and 2,222.96 is: 3,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.44 : 4,446.96 = 2,222.96 : x
  2. Step 2: Convert to fraction form
    3,219.44/4,446.96 = 2,222.96/x
  3. Step 3: Cross multiply
    3,219.44x = 4,446.96 × 2,222.96
  4. Step 4: Simplify right side
    3,219.44x = 9,885,414.20
  5. Step 5: Solve for x
    x = 9,885,414.20/3,219.44
  6. Step 6: Final answer
    x = 3,070.54

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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.