Home / 3,404.43-5,107.05-1,212.84

Finding the Fourth Proportional to 3,404.43, 5,107.05 and 1,212.84

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Solution

The fourth proportional to 3,404.43, 5,107.05 and 1,212.84 is: 1,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.43 : 5,107.05 = 1,212.84 : x
  2. Step 2: Convert to fraction form
    3,404.43/5,107.05 = 1,212.84/x
  3. Step 3: Cross multiply
    3,404.43x = 5,107.05 × 1,212.84
  4. Step 4: Simplify right side
    3,404.43x = 6,194,034.52
  5. Step 5: Solve for x
    x = 6,194,034.52/3,404.43
  6. Step 6: Final answer
    x = 1,819.40

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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.