Home / 3,608.43-4,979.41-2,015.02

Finding the Fourth Proportional to 3,608.43, 4,979.41 and 2,015.02

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Solution

The fourth proportional to 3,608.43, 4,979.41 and 2,015.02 is: 2,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.43 : 4,979.41 = 2,015.02 : x
  2. Step 2: Convert to fraction form
    3,608.43/4,979.41 = 2,015.02/x
  3. Step 3: Cross multiply
    3,608.43x = 4,979.41 × 2,015.02
  4. Step 4: Simplify right side
    3,608.43x = 10,033,610.74
  5. Step 5: Solve for x
    x = 10,033,610.74/3,608.43
  6. Step 6: Final answer
    x = 2,780.60

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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.