Home / 3,226.08-4,451.65-1,899.70

Finding the Fourth Proportional to 3,226.08, 4,451.65 and 1,899.70

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Solution

The fourth proportional to 3,226.08, 4,451.65 and 1,899.70 is: 2,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.08 : 4,451.65 = 1,899.70 : x
  2. Step 2: Convert to fraction form
    3,226.08/4,451.65 = 1,899.70/x
  3. Step 3: Cross multiply
    3,226.08x = 4,451.65 × 1,899.70
  4. Step 4: Simplify right side
    3,226.08x = 8,456,799.51
  5. Step 5: Solve for x
    x = 8,456,799.51/3,226.08
  6. Step 6: Final answer
    x = 2,621.39

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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.