Home / 3,771.69-5,203.68-2,279.04

Finding the Fourth Proportional to 3,771.69, 5,203.68 and 2,279.04

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Solution

The fourth proportional to 3,771.69, 5,203.68 and 2,279.04 is: 3,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.69 : 5,203.68 = 2,279.04 : x
  2. Step 2: Convert to fraction form
    3,771.69/5,203.68 = 2,279.04/x
  3. Step 3: Cross multiply
    3,771.69x = 5,203.68 × 2,279.04
  4. Step 4: Simplify right side
    3,771.69x = 11,859,394.87
  5. Step 5: Solve for x
    x = 11,859,394.87/3,771.69
  6. Step 6: Final answer
    x = 3,144.32

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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.