Home / 2,052.38-3,079.62-1,128.66

Finding the Fourth Proportional to 2,052.38, 3,079.62 and 1,128.66

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Solution

The fourth proportional to 2,052.38, 3,079.62 and 1,128.66 is: 1,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.38 : 3,079.62 = 1,128.66 : x
  2. Step 2: Convert to fraction form
    2,052.38/3,079.62 = 1,128.66/x
  3. Step 3: Cross multiply
    2,052.38x = 3,079.62 × 1,128.66
  4. Step 4: Simplify right side
    2,052.38x = 3,475,843.91
  5. Step 5: Solve for x
    x = 3,475,843.91/2,052.38
  6. Step 6: Final answer
    x = 1,693.57

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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.