Home / 1,481.05-2,221.58-441.06

Finding the Fourth Proportional to 1,481.05, 2,221.58 and 441.06

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Solution

The fourth proportional to 1,481.05, 2,221.58 and 441.06 is: 661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.05 : 2,221.58 = 441.06 : x
  2. Step 2: Convert to fraction form
    1,481.05/2,221.58 = 441.06/x
  3. Step 3: Cross multiply
    1,481.05x = 2,221.58 × 441.06
  4. Step 4: Simplify right side
    1,481.05x = 979,847.87
  5. Step 5: Solve for x
    x = 979,847.87/1,481.05
  6. Step 6: Final answer
    x = 661.59

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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.