Home / 3,450.30-5,175.45-3,299.10

Finding the Fourth Proportional to 3,450.30, 5,175.45 and 3,299.10

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Solution

The fourth proportional to 3,450.30, 5,175.45 and 3,299.10 is: 4,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.30 : 5,175.45 = 3,299.10 : x
  2. Step 2: Convert to fraction form
    3,450.30/5,175.45 = 3,299.10/x
  3. Step 3: Cross multiply
    3,450.30x = 5,175.45 × 3,299.10
  4. Step 4: Simplify right side
    3,450.30x = 17,074,327.10
  5. Step 5: Solve for x
    x = 17,074,327.10/3,450.30
  6. Step 6: Final answer
    x = 4,948.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.