Home / 2,861.11-4,286.22-1,629.37

Finding the Fourth Proportional to 2,861.11, 4,286.22 and 1,629.37

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Solution

The fourth proportional to 2,861.11, 4,286.22 and 1,629.37 is: 2,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.11 : 4,286.22 = 1,629.37 : x
  2. Step 2: Convert to fraction form
    2,861.11/4,286.22 = 1,629.37/x
  3. Step 3: Cross multiply
    2,861.11x = 4,286.22 × 1,629.37
  4. Step 4: Simplify right side
    2,861.11x = 6,983,838.28
  5. Step 5: Solve for x
    x = 6,983,838.28/2,861.11
  6. Step 6: Final answer
    x = 2,440.95

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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.