Home / 3,381.85-4,668.25-3,027.15

Finding the Fourth Proportional to 3,381.85, 4,668.25 and 3,027.15

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Solution

The fourth proportional to 3,381.85, 4,668.25 and 3,027.15 is: 4,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.85 : 4,668.25 = 3,027.15 : x
  2. Step 2: Convert to fraction form
    3,381.85/4,668.25 = 3,027.15/x
  3. Step 3: Cross multiply
    3,381.85x = 4,668.25 × 3,027.15
  4. Step 4: Simplify right side
    3,381.85x = 14,131,469.65
  5. Step 5: Solve for x
    x = 14,131,469.65/3,381.85
  6. Step 6: Final answer
    x = 4,178.62

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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.