Home / 2,632.28-3,942.42-2,257.88

Finding the Fourth Proportional to 2,632.28, 3,942.42 and 2,257.88

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Solution

The fourth proportional to 2,632.28, 3,942.42 and 2,257.88 is: 3,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.28 : 3,942.42 = 2,257.88 : x
  2. Step 2: Convert to fraction form
    2,632.28/3,942.42 = 2,257.88/x
  3. Step 3: Cross multiply
    2,632.28x = 3,942.42 × 2,257.88
  4. Step 4: Simplify right side
    2,632.28x = 8,901,511.27
  5. Step 5: Solve for x
    x = 8,901,511.27/2,632.28
  6. Step 6: Final answer
    x = 3,381.67

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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.