Home / 1,747.82-2,618.29-1,161.07

Finding the Fourth Proportional to 1,747.82, 2,618.29 and 1,161.07

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Solution

The fourth proportional to 1,747.82, 2,618.29 and 1,161.07 is: 1,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.82 : 2,618.29 = 1,161.07 : x
  2. Step 2: Convert to fraction form
    1,747.82/2,618.29 = 1,161.07/x
  3. Step 3: Cross multiply
    1,747.82x = 2,618.29 × 1,161.07
  4. Step 4: Simplify right side
    1,747.82x = 3,040,017.97
  5. Step 5: Solve for x
    x = 3,040,017.97/1,747.82
  6. Step 6: Final answer
    x = 1,739.32

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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.