Home / 3,771.62-5,204.98-2,279.25

Finding the Fourth Proportional to 3,771.62, 5,204.98 and 2,279.25

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Solution

The fourth proportional to 3,771.62, 5,204.98 and 2,279.25 is: 3,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.62 : 5,204.98 = 2,279.25 : x
  2. Step 2: Convert to fraction form
    3,771.62/5,204.98 = 2,279.25/x
  3. Step 3: Cross multiply
    3,771.62x = 5,204.98 × 2,279.25
  4. Step 4: Simplify right side
    3,771.62x = 11,863,453.51
  5. Step 5: Solve for x
    x = 11,863,453.51/3,771.62
  6. Step 6: Final answer
    x = 3,145.45

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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.