Home / 1,966.38-2,947.49-1,273.52

Finding the Fourth Proportional to 1,966.38, 2,947.49 and 1,273.52

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Solution

The fourth proportional to 1,966.38, 2,947.49 and 1,273.52 is: 1,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.38 : 2,947.49 = 1,273.52 : x
  2. Step 2: Convert to fraction form
    1,966.38/2,947.49 = 1,273.52/x
  3. Step 3: Cross multiply
    1,966.38x = 2,947.49 × 1,273.52
  4. Step 4: Simplify right side
    1,966.38x = 3,753,693.24
  5. Step 5: Solve for x
    x = 3,753,693.24/1,966.38
  6. Step 6: Final answer
    x = 1,908.94

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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.