Home / 1,481.42-2,222.56-557.04

Finding the Fourth Proportional to 1,481.42, 2,222.56 and 557.04

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Solution

The fourth proportional to 1,481.42, 2,222.56 and 557.04 is: 835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.42 : 2,222.56 = 557.04 : x
  2. Step 2: Convert to fraction form
    1,481.42/2,222.56 = 557.04/x
  3. Step 3: Cross multiply
    1,481.42x = 2,222.56 × 557.04
  4. Step 4: Simplify right side
    1,481.42x = 1,238,063.85
  5. Step 5: Solve for x
    x = 1,238,063.85/1,481.42
  6. Step 6: Final answer
    x = 835.73

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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.