Home / 1,992.15-2,748.05-1,195.27

Finding the Fourth Proportional to 1,992.15, 2,748.05 and 1,195.27

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Solution

The fourth proportional to 1,992.15, 2,748.05 and 1,195.27 is: 1,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.15 : 2,748.05 = 1,195.27 : x
  2. Step 2: Convert to fraction form
    1,992.15/2,748.05 = 1,195.27/x
  3. Step 3: Cross multiply
    1,992.15x = 2,748.05 × 1,195.27
  4. Step 4: Simplify right side
    1,992.15x = 3,284,648.88
  5. Step 5: Solve for x
    x = 3,284,648.88/1,992.15
  6. Step 6: Final answer
    x = 1,648.80

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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.