Home / 3,839.06-5,297.83-2,137.55

Finding the Fourth Proportional to 3,839.06, 5,297.83 and 2,137.55

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Solution

The fourth proportional to 3,839.06, 5,297.83 and 2,137.55 is: 2,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.06 : 5,297.83 = 2,137.55 : x
  2. Step 2: Convert to fraction form
    3,839.06/5,297.83 = 2,137.55/x
  3. Step 3: Cross multiply
    3,839.06x = 5,297.83 × 2,137.55
  4. Step 4: Simplify right side
    3,839.06x = 11,324,344.68
  5. Step 5: Solve for x
    x = 11,324,344.68/3,839.06
  6. Step 6: Final answer
    x = 2,949.77

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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.