Home / 1,890.97-2,832.39-1,161.16

Finding the Fourth Proportional to 1,890.97, 2,832.39 and 1,161.16

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Solution

The fourth proportional to 1,890.97, 2,832.39 and 1,161.16 is: 1,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.97 : 2,832.39 = 1,161.16 : x
  2. Step 2: Convert to fraction form
    1,890.97/2,832.39 = 1,161.16/x
  3. Step 3: Cross multiply
    1,890.97x = 2,832.39 × 1,161.16
  4. Step 4: Simplify right side
    1,890.97x = 3,288,850.89
  5. Step 5: Solve for x
    x = 3,288,850.89/1,890.97
  6. Step 6: Final answer
    x = 1,739.24

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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.