Home / 3,849.62-5,772.63-1,383.74

Finding the Fourth Proportional to 3,849.62, 5,772.63 and 1,383.74

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Solution

The fourth proportional to 3,849.62, 5,772.63 and 1,383.74 is: 2,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.62 : 5,772.63 = 1,383.74 : x
  2. Step 2: Convert to fraction form
    3,849.62/5,772.63 = 1,383.74/x
  3. Step 3: Cross multiply
    3,849.62x = 5,772.63 × 1,383.74
  4. Step 4: Simplify right side
    3,849.62x = 7,987,819.04
  5. Step 5: Solve for x
    x = 7,987,819.04/3,849.62
  6. Step 6: Final answer
    x = 2,074.96

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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.