Home / 3,189.56-4,781.48-1,241.32

Finding the Fourth Proportional to 3,189.56, 4,781.48 and 1,241.32

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Solution

The fourth proportional to 3,189.56, 4,781.48 and 1,241.32 is: 1,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.56 : 4,781.48 = 1,241.32 : x
  2. Step 2: Convert to fraction form
    3,189.56/4,781.48 = 1,241.32/x
  3. Step 3: Cross multiply
    3,189.56x = 4,781.48 × 1,241.32
  4. Step 4: Simplify right side
    3,189.56x = 5,935,346.75
  5. Step 5: Solve for x
    x = 5,935,346.75/3,189.56
  6. Step 6: Final answer
    x = 1,860.87

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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.