Home / 1,932.30-2,891.61-1,202.22

Finding the Fourth Proportional to 1,932.30, 2,891.61 and 1,202.22

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Solution

The fourth proportional to 1,932.30, 2,891.61 and 1,202.22 is: 1,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.30 : 2,891.61 = 1,202.22 : x
  2. Step 2: Convert to fraction form
    1,932.30/2,891.61 = 1,202.22/x
  3. Step 3: Cross multiply
    1,932.30x = 2,891.61 × 1,202.22
  4. Step 4: Simplify right side
    1,932.30x = 3,476,351.37
  5. Step 5: Solve for x
    x = 3,476,351.37/1,932.30
  6. Step 6: Final answer
    x = 1,799.07

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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.