Home / 3,039.20-4,557.94-1,189.02

Finding the Fourth Proportional to 3,039.20, 4,557.94 and 1,189.02

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Solution

The fourth proportional to 3,039.20, 4,557.94 and 1,189.02 is: 1,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.20 : 4,557.94 = 1,189.02 : x
  2. Step 2: Convert to fraction form
    3,039.20/4,557.94 = 1,189.02/x
  3. Step 3: Cross multiply
    3,039.20x = 4,557.94 × 1,189.02
  4. Step 4: Simplify right side
    3,039.20x = 5,419,481.82
  5. Step 5: Solve for x
    x = 5,419,481.82/3,039.20
  6. Step 6: Final answer
    x = 1,783.19

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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.