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Finding the Fourth Proportional to 1,796.50, 2,479.26 and 1,097.92

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Solution

The fourth proportional to 1,796.50, 2,479.26 and 1,097.92 is: 1,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.50 : 2,479.26 = 1,097.92 : x
  2. Step 2: Convert to fraction form
    1,796.50/2,479.26 = 1,097.92/x
  3. Step 3: Cross multiply
    1,796.50x = 2,479.26 × 1,097.92
  4. Step 4: Simplify right side
    1,796.50x = 2,722,029.14
  5. Step 5: Solve for x
    x = 2,722,029.14/1,796.50
  6. Step 6: Final answer
    x = 1,515.18

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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.