Home / 3,039.12-4,553.16-2,112.72

Finding the Fourth Proportional to 3,039.12, 4,553.16 and 2,112.72

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Solution

The fourth proportional to 3,039.12, 4,553.16 and 2,112.72 is: 3,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.12 : 4,553.16 = 2,112.72 : x
  2. Step 2: Convert to fraction form
    3,039.12/4,553.16 = 2,112.72/x
  3. Step 3: Cross multiply
    3,039.12x = 4,553.16 × 2,112.72
  4. Step 4: Simplify right side
    3,039.12x = 9,619,552.20
  5. Step 5: Solve for x
    x = 9,619,552.20/3,039.12
  6. Step 6: Final answer
    x = 3,165.24

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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.