Home / 1,961.82-2,707.43-1,175.92

Finding the Fourth Proportional to 1,961.82, 2,707.43 and 1,175.92

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Solution

The fourth proportional to 1,961.82, 2,707.43 and 1,175.92 is: 1,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.82 : 2,707.43 = 1,175.92 : x
  2. Step 2: Convert to fraction form
    1,961.82/2,707.43 = 1,175.92/x
  3. Step 3: Cross multiply
    1,961.82x = 2,707.43 × 1,175.92
  4. Step 4: Simplify right side
    1,961.82x = 3,183,708.44
  5. Step 5: Solve for x
    x = 3,183,708.44/1,961.82
  6. Step 6: Final answer
    x = 1,622.83

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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.