Home / 3,212.97-4,815.79-1,362.93

Finding the Fourth Proportional to 3,212.97, 4,815.79 and 1,362.93

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Solution

The fourth proportional to 3,212.97, 4,815.79 and 1,362.93 is: 2,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.97 : 4,815.79 = 1,362.93 : x
  2. Step 2: Convert to fraction form
    3,212.97/4,815.79 = 1,362.93/x
  3. Step 3: Cross multiply
    3,212.97x = 4,815.79 × 1,362.93
  4. Step 4: Simplify right side
    3,212.97x = 6,563,584.66
  5. Step 5: Solve for x
    x = 6,563,584.66/3,212.97
  6. Step 6: Final answer
    x = 2,042.84

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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.