Home / 3,561.10-5,348.05-3,445.90

Finding the Fourth Proportional to 3,561.10, 5,348.05 and 3,445.90

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Solution

The fourth proportional to 3,561.10, 5,348.05 and 3,445.90 is: 5,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.10 : 5,348.05 = 3,445.90 : x
  2. Step 2: Convert to fraction form
    3,561.10/5,348.05 = 3,445.90/x
  3. Step 3: Cross multiply
    3,561.10x = 5,348.05 × 3,445.90
  4. Step 4: Simplify right side
    3,561.10x = 18,428,845.50
  5. Step 5: Solve for x
    x = 18,428,845.50/3,561.10
  6. Step 6: Final answer
    x = 5,175.04

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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.