Home / 3,372.44-5,055.16-1,291.90

Finding the Fourth Proportional to 3,372.44, 5,055.16 and 1,291.90

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Solution

The fourth proportional to 3,372.44, 5,055.16 and 1,291.90 is: 1,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.44 : 5,055.16 = 1,291.90 : x
  2. Step 2: Convert to fraction form
    3,372.44/5,055.16 = 1,291.90/x
  3. Step 3: Cross multiply
    3,372.44x = 5,055.16 × 1,291.90
  4. Step 4: Simplify right side
    3,372.44x = 6,530,757.24
  5. Step 5: Solve for x
    x = 6,530,757.24/3,372.44
  6. Step 6: Final answer
    x = 1,936.51

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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.