Home / 2,334.92-3,481.78-2,220.08

Finding the Fourth Proportional to 2,334.92, 3,481.78 and 2,220.08

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Solution

The fourth proportional to 2,334.92, 3,481.78 and 2,220.08 is: 3,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.92 : 3,481.78 = 2,220.08 : x
  2. Step 2: Convert to fraction form
    2,334.92/3,481.78 = 2,220.08/x
  3. Step 3: Cross multiply
    2,334.92x = 3,481.78 × 2,220.08
  4. Step 4: Simplify right side
    2,334.92x = 7,729,830.14
  5. Step 5: Solve for x
    x = 7,729,830.14/2,334.92
  6. Step 6: Final answer
    x = 3,310.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.