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Finding the Fourth Proportional to 1,481.88, 2,222.98 and 908.44

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Solution

The fourth proportional to 1,481.88, 2,222.98 and 908.44 is: 1,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.88 : 2,222.98 = 908.44 : x
  2. Step 2: Convert to fraction form
    1,481.88/2,222.98 = 908.44/x
  3. Step 3: Cross multiply
    1,481.88x = 2,222.98 × 908.44
  4. Step 4: Simplify right side
    1,481.88x = 2,019,443.95
  5. Step 5: Solve for x
    x = 2,019,443.95/1,481.88
  6. Step 6: Final answer
    x = 1,362.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.