Home / 3,453.90-5,180.85-3,266.70

Finding the Fourth Proportional to 3,453.90, 5,180.85 and 3,266.70

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Solution

The fourth proportional to 3,453.90, 5,180.85 and 3,266.70 is: 4,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.90 : 5,180.85 = 3,266.70 : x
  2. Step 2: Convert to fraction form
    3,453.90/5,180.85 = 3,266.70/x
  3. Step 3: Cross multiply
    3,453.90x = 5,180.85 × 3,266.70
  4. Step 4: Simplify right side
    3,453.90x = 16,924,282.70
  5. Step 5: Solve for x
    x = 16,924,282.70/3,453.90
  6. Step 6: Final answer
    x = 4,900.05

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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.