Home / 1,995.28-2,752.68-1,249.04

Finding the Fourth Proportional to 1,995.28, 2,752.68 and 1,249.04

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Solution

The fourth proportional to 1,995.28, 2,752.68 and 1,249.04 is: 1,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.28 : 2,752.68 = 1,249.04 : x
  2. Step 2: Convert to fraction form
    1,995.28/2,752.68 = 1,249.04/x
  3. Step 3: Cross multiply
    1,995.28x = 2,752.68 × 1,249.04
  4. Step 4: Simplify right side
    1,995.28x = 3,438,207.43
  5. Step 5: Solve for x
    x = 3,438,207.43/1,995.28
  6. Step 6: Final answer
    x = 1,723.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.