Home / 1,481.52-2,222.28-441.54

Finding the Fourth Proportional to 1,481.52, 2,222.28 and 441.54

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Solution

The fourth proportional to 1,481.52, 2,222.28 and 441.54 is: 662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.52 : 2,222.28 = 441.54 : x
  2. Step 2: Convert to fraction form
    1,481.52/2,222.28 = 441.54/x
  3. Step 3: Cross multiply
    1,481.52x = 2,222.28 × 441.54
  4. Step 4: Simplify right side
    1,481.52x = 981,225.51
  5. Step 5: Solve for x
    x = 981,225.51/1,481.52
  6. Step 6: Final answer
    x = 662.31

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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.