Home / 1,396.38-2,096.12-1,179.69

Finding the Fourth Proportional to 1,396.38, 2,096.12 and 1,179.69

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Solution

The fourth proportional to 1,396.38, 2,096.12 and 1,179.69 is: 1,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.38 : 2,096.12 = 1,179.69 : x
  2. Step 2: Convert to fraction form
    1,396.38/2,096.12 = 1,179.69/x
  3. Step 3: Cross multiply
    1,396.38x = 2,096.12 × 1,179.69
  4. Step 4: Simplify right side
    1,396.38x = 2,472,764.49
  5. Step 5: Solve for x
    x = 2,472,764.49/1,396.38
  6. Step 6: Final answer
    x = 1,770.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.