Home / 1,260.38-1,896.04-1,194.78

Finding the Fourth Proportional to 1,260.38, 1,896.04 and 1,194.78

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Solution

The fourth proportional to 1,260.38, 1,896.04 and 1,194.78 is: 1,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.38 : 1,896.04 = 1,194.78 : x
  2. Step 2: Convert to fraction form
    1,260.38/1,896.04 = 1,194.78/x
  3. Step 3: Cross multiply
    1,260.38x = 1,896.04 × 1,194.78
  4. Step 4: Simplify right side
    1,260.38x = 2,265,350.67
  5. Step 5: Solve for x
    x = 2,265,350.67/1,260.38
  6. Step 6: Final answer
    x = 1,797.36

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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.