Home / 3,453.30-5,175.90-2,586.60

Finding the Fourth Proportional to 3,453.30, 5,175.90 and 2,586.60

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Solution

The fourth proportional to 3,453.30, 5,175.90 and 2,586.60 is: 3,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.30 : 5,175.90 = 2,586.60 : x
  2. Step 2: Convert to fraction form
    3,453.30/5,175.90 = 2,586.60/x
  3. Step 3: Cross multiply
    3,453.30x = 5,175.90 × 2,586.60
  4. Step 4: Simplify right side
    3,453.30x = 13,387,982.94
  5. Step 5: Solve for x
    x = 13,387,982.94/3,453.30
  6. Step 6: Final answer
    x = 3,876.87

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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.