Home / 3,226.20-4,451.40-1,899.96

Finding the Fourth Proportional to 3,226.20, 4,451.40 and 1,899.96

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Solution

The fourth proportional to 3,226.20, 4,451.40 and 1,899.96 is: 2,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.20 : 4,451.40 = 1,899.96 : x
  2. Step 2: Convert to fraction form
    3,226.20/4,451.40 = 1,899.96/x
  3. Step 3: Cross multiply
    3,226.20x = 4,451.40 × 1,899.96
  4. Step 4: Simplify right side
    3,226.20x = 8,457,481.94
  5. Step 5: Solve for x
    x = 8,457,481.94/3,226.20
  6. Step 6: Final answer
    x = 2,621.50

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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.