Home / 1,481.44-2,222.14-544.43

Finding the Fourth Proportional to 1,481.44, 2,222.14 and 544.43

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Solution

The fourth proportional to 1,481.44, 2,222.14 and 544.43 is: 816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.44 : 2,222.14 = 544.43 : x
  2. Step 2: Convert to fraction form
    1,481.44/2,222.14 = 544.43/x
  3. Step 3: Cross multiply
    1,481.44x = 2,222.14 × 544.43
  4. Step 4: Simplify right side
    1,481.44x = 1,209,799.68
  5. Step 5: Solve for x
    x = 1,209,799.68/1,481.44
  6. Step 6: Final answer
    x = 816.64

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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.