Home / 3,819.06-5,727.51-1,972.26

Finding the Fourth Proportional to 3,819.06, 5,727.51 and 1,972.26

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Solution

The fourth proportional to 3,819.06, 5,727.51 and 1,972.26 is: 2,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.06 : 5,727.51 = 1,972.26 : x
  2. Step 2: Convert to fraction form
    3,819.06/5,727.51 = 1,972.26/x
  3. Step 3: Cross multiply
    3,819.06x = 5,727.51 × 1,972.26
  4. Step 4: Simplify right side
    3,819.06x = 11,296,138.87
  5. Step 5: Solve for x
    x = 11,296,138.87/3,819.06
  6. Step 6: Final answer
    x = 2,957.83

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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.