Home / 3,226.32-4,450.68-1,899.96

Finding the Fourth Proportional to 3,226.32, 4,450.68 and 1,899.96

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Solution

The fourth proportional to 3,226.32, 4,450.68 and 1,899.96 is: 2,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.32 : 4,450.68 = 1,899.96 : x
  2. Step 2: Convert to fraction form
    3,226.32/4,450.68 = 1,899.96/x
  3. Step 3: Cross multiply
    3,226.32x = 4,450.68 × 1,899.96
  4. Step 4: Simplify right side
    3,226.32x = 8,456,113.97
  5. Step 5: Solve for x
    x = 8,456,113.97/3,226.32
  6. Step 6: Final answer
    x = 2,620.98

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Double scale
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Similar ratio
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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.