Home / 1,819.16-2,727.12-1,331.56

Finding the Fourth Proportional to 1,819.16, 2,727.12 and 1,331.56

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Solution

The fourth proportional to 1,819.16, 2,727.12 and 1,331.56 is: 1,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.16 : 2,727.12 = 1,331.56 : x
  2. Step 2: Convert to fraction form
    1,819.16/2,727.12 = 1,331.56/x
  3. Step 3: Cross multiply
    1,819.16x = 2,727.12 × 1,331.56
  4. Step 4: Simplify right side
    1,819.16x = 3,631,323.91
  5. Step 5: Solve for x
    x = 3,631,323.91/1,819.16
  6. Step 6: Final answer
    x = 1,996.15

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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.