Home / 3,538.29-5,308.12-1,346.85

Finding the Fourth Proportional to 3,538.29, 5,308.12 and 1,346.85

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Solution

The fourth proportional to 3,538.29, 5,308.12 and 1,346.85 is: 2,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.29 : 5,308.12 = 1,346.85 : x
  2. Step 2: Convert to fraction form
    3,538.29/5,308.12 = 1,346.85/x
  3. Step 3: Cross multiply
    3,538.29x = 5,308.12 × 1,346.85
  4. Step 4: Simplify right side
    3,538.29x = 7,149,241.42
  5. Step 5: Solve for x
    x = 7,149,241.42/3,538.29
  6. Step 6: Final answer
    x = 2,020.54

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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.