Home / 3,819.39-5,729.39-1,739.46

Finding the Fourth Proportional to 3,819.39, 5,729.39 and 1,739.46

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Solution

The fourth proportional to 3,819.39, 5,729.39 and 1,739.46 is: 2,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.39 : 5,729.39 = 1,739.46 : x
  2. Step 2: Convert to fraction form
    3,819.39/5,729.39 = 1,739.46/x
  3. Step 3: Cross multiply
    3,819.39x = 5,729.39 × 1,739.46
  4. Step 4: Simplify right side
    3,819.39x = 9,966,044.73
  5. Step 5: Solve for x
    x = 9,966,044.73/3,819.39
  6. Step 6: Final answer
    x = 2,609.33

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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.