Home / 1,447.25-1,997.11-849.66

Finding the Fourth Proportional to 1,447.25, 1,997.11 and 849.66

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Solution

The fourth proportional to 1,447.25, 1,997.11 and 849.66 is: 1,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.25 : 1,997.11 = 849.66 : x
  2. Step 2: Convert to fraction form
    1,447.25/1,997.11 = 849.66/x
  3. Step 3: Cross multiply
    1,447.25x = 1,997.11 × 849.66
  4. Step 4: Simplify right side
    1,447.25x = 1,696,877.30
  5. Step 5: Solve for x
    x = 1,696,877.30/1,447.25
  6. Step 6: Final answer
    x = 1,172.48

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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.