Home / 3,883.73-5,359.79-2,311.61

Finding the Fourth Proportional to 3,883.73, 5,359.79 and 2,311.61

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Solution

The fourth proportional to 3,883.73, 5,359.79 and 2,311.61 is: 3,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.73 : 5,359.79 = 2,311.61 : x
  2. Step 2: Convert to fraction form
    3,883.73/5,359.79 = 2,311.61/x
  3. Step 3: Cross multiply
    3,883.73x = 5,359.79 × 2,311.61
  4. Step 4: Simplify right side
    3,883.73x = 12,389,723.14
  5. Step 5: Solve for x
    x = 12,389,723.14/3,883.73
  6. Step 6: Final answer
    x = 3,190.16

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1.5x scale

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.