Home / 2,481.78-3,721.45-1,230.93

Finding the Fourth Proportional to 2,481.78, 3,721.45 and 1,230.93

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Solution

The fourth proportional to 2,481.78, 3,721.45 and 1,230.93 is: 1,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.78 : 3,721.45 = 1,230.93 : x
  2. Step 2: Convert to fraction form
    2,481.78/3,721.45 = 1,230.93/x
  3. Step 3: Cross multiply
    2,481.78x = 3,721.45 × 1,230.93
  4. Step 4: Simplify right side
    2,481.78x = 4,580,844.45
  5. Step 5: Solve for x
    x = 4,580,844.45/2,481.78
  6. Step 6: Final answer
    x = 1,845.79

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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.