Home / 3,819.43-5,727.22-1,353.90

Finding the Fourth Proportional to 3,819.43, 5,727.22 and 1,353.90

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Solution

The fourth proportional to 3,819.43, 5,727.22 and 1,353.90 is: 2,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.43 : 5,727.22 = 1,353.90 : x
  2. Step 2: Convert to fraction form
    3,819.43/5,727.22 = 1,353.90/x
  3. Step 3: Cross multiply
    3,819.43x = 5,727.22 × 1,353.90
  4. Step 4: Simplify right side
    3,819.43x = 7,754,079.77
  5. Step 5: Solve for x
    x = 7,754,079.77/3,819.43
  6. Step 6: Final answer
    x = 2,030.17

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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.