Home / 3,176.46-4,766.91-2,138.43

Finding the Fourth Proportional to 3,176.46, 4,766.91 and 2,138.43

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Solution

The fourth proportional to 3,176.46, 4,766.91 and 2,138.43 is: 3,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.46 : 4,766.91 = 2,138.43 : x
  2. Step 2: Convert to fraction form
    3,176.46/4,766.91 = 2,138.43/x
  3. Step 3: Cross multiply
    3,176.46x = 4,766.91 × 2,138.43
  4. Step 4: Simplify right side
    3,176.46x = 10,193,703.35
  5. Step 5: Solve for x
    x = 10,193,703.35/3,176.46
  6. Step 6: Final answer
    x = 3,209.14

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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.