Home / 1,634.44-2,255.70-936.04

Finding the Fourth Proportional to 1,634.44, 2,255.70 and 936.04

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Solution

The fourth proportional to 1,634.44, 2,255.70 and 936.04 is: 1,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.44 : 2,255.70 = 936.04 : x
  2. Step 2: Convert to fraction form
    1,634.44/2,255.70 = 936.04/x
  3. Step 3: Cross multiply
    1,634.44x = 2,255.70 × 936.04
  4. Step 4: Simplify right side
    1,634.44x = 2,111,425.43
  5. Step 5: Solve for x
    x = 2,111,425.43/1,634.44
  6. Step 6: Final answer
    x = 1,291.83

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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.