Home / 1,957.38-2,936.60-1,079.73

Finding the Fourth Proportional to 1,957.38, 2,936.60 and 1,079.73

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Solution

The fourth proportional to 1,957.38, 2,936.60 and 1,079.73 is: 1,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.38 : 2,936.60 = 1,079.73 : x
  2. Step 2: Convert to fraction form
    1,957.38/2,936.60 = 1,079.73/x
  3. Step 3: Cross multiply
    1,957.38x = 2,936.60 × 1,079.73
  4. Step 4: Simplify right side
    1,957.38x = 3,170,729.72
  5. Step 5: Solve for x
    x = 3,170,729.72/1,957.38
  6. Step 6: Final answer
    x = 1,619.88

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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.