Home / 3,226.11-4,451.80-1,809.69

Finding the Fourth Proportional to 3,226.11, 4,451.80 and 1,809.69

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Solution

The fourth proportional to 3,226.11, 4,451.80 and 1,809.69 is: 2,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.11 : 4,451.80 = 1,809.69 : x
  2. Step 2: Convert to fraction form
    3,226.11/4,451.80 = 1,809.69/x
  3. Step 3: Cross multiply
    3,226.11x = 4,451.80 × 1,809.69
  4. Step 4: Simplify right side
    3,226.11x = 8,056,377.94
  5. Step 5: Solve for x
    x = 8,056,377.94/3,226.11
  6. Step 6: Final answer
    x = 2,497.24

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Half scale
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Double scale
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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.