Home / 3,226.30-4,452.12-1,899.70

Finding the Fourth Proportional to 3,226.30, 4,452.12 and 1,899.70

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Solution

The fourth proportional to 3,226.30, 4,452.12 and 1,899.70 is: 2,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.30 : 4,452.12 = 1,899.70 : x
  2. Step 2: Convert to fraction form
    3,226.30/4,452.12 = 1,899.70/x
  3. Step 3: Cross multiply
    3,226.30x = 4,452.12 × 1,899.70
  4. Step 4: Simplify right side
    3,226.30x = 8,457,692.36
  5. Step 5: Solve for x
    x = 8,457,692.36/3,226.30
  6. Step 6: Final answer
    x = 2,621.48

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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.