Home / 1,481.23-2,221.19-544.18

Finding the Fourth Proportional to 1,481.23, 2,221.19 and 544.18

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Solution

The fourth proportional to 1,481.23, 2,221.19 and 544.18 is: 816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.23 : 2,221.19 = 544.18 : x
  2. Step 2: Convert to fraction form
    1,481.23/2,221.19 = 544.18/x
  3. Step 3: Cross multiply
    1,481.23x = 2,221.19 × 544.18
  4. Step 4: Simplify right side
    1,481.23x = 1,208,725.11
  5. Step 5: Solve for x
    x = 1,208,725.11/1,481.23
  6. Step 6: Final answer
    x = 816.03

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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.