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Finding the Fourth Proportional to 1,979.73, 2,954.22 and 1,717.29

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Solution

The fourth proportional to 1,979.73, 2,954.22 and 1,717.29 is: 2,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.73 : 2,954.22 = 1,717.29 : x
  2. Step 2: Convert to fraction form
    1,979.73/2,954.22 = 1,717.29/x
  3. Step 3: Cross multiply
    1,979.73x = 2,954.22 × 1,717.29
  4. Step 4: Simplify right side
    1,979.73x = 5,073,246.02
  5. Step 5: Solve for x
    x = 5,073,246.02/1,979.73
  6. Step 6: Final answer
    x = 2,562.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.