Home / 3,850.50-5,313.70-2,194.50

Finding the Fourth Proportional to 3,850.50, 5,313.70 and 2,194.50

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Solution

The fourth proportional to 3,850.50, 5,313.70 and 2,194.50 is: 3,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.50 : 5,313.70 = 2,194.50 : x
  2. Step 2: Convert to fraction form
    3,850.50/5,313.70 = 2,194.50/x
  3. Step 3: Cross multiply
    3,850.50x = 5,313.70 × 2,194.50
  4. Step 4: Simplify right side
    3,850.50x = 11,660,914.65
  5. Step 5: Solve for x
    x = 11,660,914.65/3,850.50
  6. Step 6: Final answer
    x = 3,028.42

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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.