Home / 3,381.72-4,668.91-2,321.26

Finding the Fourth Proportional to 3,381.72, 4,668.91 and 2,321.26

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Solution

The fourth proportional to 3,381.72, 4,668.91 and 2,321.26 is: 3,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.72 : 4,668.91 = 2,321.26 : x
  2. Step 2: Convert to fraction form
    3,381.72/4,668.91 = 2,321.26/x
  3. Step 3: Cross multiply
    3,381.72x = 4,668.91 × 2,321.26
  4. Step 4: Simplify right side
    3,381.72x = 10,837,736.55
  5. Step 5: Solve for x
    x = 10,837,736.55/3,381.72
  6. Step 6: Final answer
    x = 3,204.80

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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.