Home / 3,935.24-5,890.38-2,198.60

Finding the Fourth Proportional to 3,935.24, 5,890.38 and 2,198.60

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Solution

The fourth proportional to 3,935.24, 5,890.38 and 2,198.60 is: 3,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.24 : 5,890.38 = 2,198.60 : x
  2. Step 2: Convert to fraction form
    3,935.24/5,890.38 = 2,198.60/x
  3. Step 3: Cross multiply
    3,935.24x = 5,890.38 × 2,198.60
  4. Step 4: Simplify right side
    3,935.24x = 12,950,589.47
  5. Step 5: Solve for x
    x = 12,950,589.47/3,935.24
  6. Step 6: Final answer
    x = 3,290.93

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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.