Home / 3,404.12-5,107.14-1,213.02

Finding the Fourth Proportional to 3,404.12, 5,107.14 and 1,213.02

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Solution

The fourth proportional to 3,404.12, 5,107.14 and 1,213.02 is: 1,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.12 : 5,107.14 = 1,213.02 : x
  2. Step 2: Convert to fraction form
    3,404.12/5,107.14 = 1,213.02/x
  3. Step 3: Cross multiply
    3,404.12x = 5,107.14 × 1,213.02
  4. Step 4: Simplify right side
    3,404.12x = 6,195,062.96
  5. Step 5: Solve for x
    x = 6,195,062.96/3,404.12
  6. Step 6: Final answer
    x = 1,819.87

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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.