Home / 1,179.24-1,626.94-736.98

Finding the Fourth Proportional to 1,179.24, 1,626.94 and 736.98

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Solution

The fourth proportional to 1,179.24, 1,626.94 and 736.98 is: 1,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.24 : 1,626.94 = 736.98 : x
  2. Step 2: Convert to fraction form
    1,179.24/1,626.94 = 736.98/x
  3. Step 3: Cross multiply
    1,179.24x = 1,626.94 × 736.98
  4. Step 4: Simplify right side
    1,179.24x = 1,199,022.24
  5. Step 5: Solve for x
    x = 1,199,022.24/1,179.24
  6. Step 6: Final answer
    x = 1,016.78

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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.