Home / 3,777.62-5,211.50-2,284.68

Finding the Fourth Proportional to 3,777.62, 5,211.50 and 2,284.68

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Solution

The fourth proportional to 3,777.62, 5,211.50 and 2,284.68 is: 3,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.62 : 5,211.50 = 2,284.68 : x
  2. Step 2: Convert to fraction form
    3,777.62/5,211.50 = 2,284.68/x
  3. Step 3: Cross multiply
    3,777.62x = 5,211.50 × 2,284.68
  4. Step 4: Simplify right side
    3,777.62x = 11,906,609.82
  5. Step 5: Solve for x
    x = 11,906,609.82/3,777.62
  6. Step 6: Final answer
    x = 3,151.88

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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.