Home / 3,608.66-4,979.85-2,036.74

Finding the Fourth Proportional to 3,608.66, 4,979.85 and 2,036.74

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Solution

The fourth proportional to 3,608.66, 4,979.85 and 2,036.74 is: 2,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.66 : 4,979.85 = 2,036.74 : x
  2. Step 2: Convert to fraction form
    3,608.66/4,979.85 = 2,036.74/x
  3. Step 3: Cross multiply
    3,608.66x = 4,979.85 × 2,036.74
  4. Step 4: Simplify right side
    3,608.66x = 10,142,664.78
  5. Step 5: Solve for x
    x = 10,142,664.78/3,608.66
  6. Step 6: Final answer
    x = 2,810.65

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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.