Home / 3,979.91-5,960.77-1,901.37

Finding the Fourth Proportional to 3,979.91, 5,960.77 and 1,901.37

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Solution

The fourth proportional to 3,979.91, 5,960.77 and 1,901.37 is: 2,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.91 : 5,960.77 = 1,901.37 : x
  2. Step 2: Convert to fraction form
    3,979.91/5,960.77 = 1,901.37/x
  3. Step 3: Cross multiply
    3,979.91x = 5,960.77 × 1,901.37
  4. Step 4: Simplify right side
    3,979.91x = 11,333,629.25
  5. Step 5: Solve for x
    x = 11,333,629.25/3,979.91
  6. Step 6: Final answer
    x = 2,847.71

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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.