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Finding the Fourth Proportional to 1,950.15, 2,691.13 and 1,065.97

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Solution

The fourth proportional to 1,950.15, 2,691.13 and 1,065.97 is: 1,470.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.15 : 2,691.13 = 1,065.97 : x
  2. Step 2: Convert to fraction form
    1,950.15/2,691.13 = 1,065.97/x
  3. Step 3: Cross multiply
    1,950.15x = 2,691.13 × 1,065.97
  4. Step 4: Simplify right side
    1,950.15x = 2,868,645.06
  5. Step 5: Solve for x
    x = 2,868,645.06/1,950.15
  6. Step 6: Final answer
    x = 1,470.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.