Home / 1,992.26-2,749.61-1,195.64

Finding the Fourth Proportional to 1,992.26, 2,749.61 and 1,195.64

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Solution

The fourth proportional to 1,992.26, 2,749.61 and 1,195.64 is: 1,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.26 : 2,749.61 = 1,195.64 : x
  2. Step 2: Convert to fraction form
    1,992.26/2,749.61 = 1,195.64/x
  3. Step 3: Cross multiply
    1,992.26x = 2,749.61 × 1,195.64
  4. Step 4: Simplify right side
    1,992.26x = 3,287,543.70
  5. Step 5: Solve for x
    x = 3,287,543.70/1,992.26
  6. Step 6: Final answer
    x = 1,650.16

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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.