Home / 3,935.22-5,895.83-2,087.61

Finding the Fourth Proportional to 3,935.22, 5,895.83 and 2,087.61

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Solution

The fourth proportional to 3,935.22, 5,895.83 and 2,087.61 is: 3,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.22 : 5,895.83 = 2,087.61 : x
  2. Step 2: Convert to fraction form
    3,935.22/5,895.83 = 2,087.61/x
  3. Step 3: Cross multiply
    3,935.22x = 5,895.83 × 2,087.61
  4. Step 4: Simplify right side
    3,935.22x = 12,308,183.23
  5. Step 5: Solve for x
    x = 12,308,183.23/3,935.22
  6. Step 6: Final answer
    x = 3,127.70

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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.