Home / 2,261.26-3,388.20-799.66

Finding the Fourth Proportional to 2,261.26, 3,388.20 and 799.66

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Solution

The fourth proportional to 2,261.26, 3,388.20 and 799.66 is: 1,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.26 : 3,388.20 = 799.66 : x
  2. Step 2: Convert to fraction form
    2,261.26/3,388.20 = 799.66/x
  3. Step 3: Cross multiply
    2,261.26x = 3,388.20 × 799.66
  4. Step 4: Simplify right side
    2,261.26x = 2,709,408.01
  5. Step 5: Solve for x
    x = 2,709,408.01/2,261.26
  6. Step 6: Final answer
    x = 1,198.19

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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.