Home / 3,579.12-4,939.38-2,007.18

Finding the Fourth Proportional to 3,579.12, 4,939.38 and 2,007.18

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Solution

The fourth proportional to 3,579.12, 4,939.38 and 2,007.18 is: 2,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.12 : 4,939.38 = 2,007.18 : x
  2. Step 2: Convert to fraction form
    3,579.12/4,939.38 = 2,007.18/x
  3. Step 3: Cross multiply
    3,579.12x = 4,939.38 × 2,007.18
  4. Step 4: Simplify right side
    3,579.12x = 9,914,224.75
  5. Step 5: Solve for x
    x = 9,914,224.75/3,579.12
  6. Step 6: Final answer
    x = 2,770.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.