Home / 3,558.10-5,343.55-3,442.90

Finding the Fourth Proportional to 3,558.10, 5,343.55 and 3,442.90

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Solution

The fourth proportional to 3,558.10, 5,343.55 and 3,442.90 is: 5,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.10 : 5,343.55 = 3,442.90 : x
  2. Step 2: Convert to fraction form
    3,558.10/5,343.55 = 3,442.90/x
  3. Step 3: Cross multiply
    3,558.10x = 5,343.55 × 3,442.90
  4. Step 4: Simplify right side
    3,558.10x = 18,397,308.30
  5. Step 5: Solve for x
    x = 18,397,308.30/3,558.10
  6. Step 6: Final answer
    x = 5,170.54

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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.