Home / 1,337.09-2,005.97-1,079.43

Finding the Fourth Proportional to 1,337.09, 2,005.97 and 1,079.43

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Solution

The fourth proportional to 1,337.09, 2,005.97 and 1,079.43 is: 1,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.09 : 2,005.97 = 1,079.43 : x
  2. Step 2: Convert to fraction form
    1,337.09/2,005.97 = 1,079.43/x
  3. Step 3: Cross multiply
    1,337.09x = 2,005.97 × 1,079.43
  4. Step 4: Simplify right side
    1,337.09x = 2,165,304.20
  5. Step 5: Solve for x
    x = 2,165,304.20/1,337.09
  6. Step 6: Final answer
    x = 1,619.42

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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.