Home / 1,414.09-2,112.20-1,195.39

Finding the Fourth Proportional to 1,414.09, 2,112.20 and 1,195.39

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Solution

The fourth proportional to 1,414.09, 2,112.20 and 1,195.39 is: 1,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.09 : 2,112.20 = 1,195.39 : x
  2. Step 2: Convert to fraction form
    1,414.09/2,112.20 = 1,195.39/x
  3. Step 3: Cross multiply
    1,414.09x = 2,112.20 × 1,195.39
  4. Step 4: Simplify right side
    1,414.09x = 2,524,902.76
  5. Step 5: Solve for x
    x = 2,524,902.76/1,414.09
  6. Step 6: Final answer
    x = 1,785.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.