Home / 3,212.31-4,821.42-2,388.08

Finding the Fourth Proportional to 3,212.31, 4,821.42 and 2,388.08

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Solution

The fourth proportional to 3,212.31, 4,821.42 and 2,388.08 is: 3,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.31 : 4,821.42 = 2,388.08 : x
  2. Step 2: Convert to fraction form
    3,212.31/4,821.42 = 2,388.08/x
  3. Step 3: Cross multiply
    3,212.31x = 4,821.42 × 2,388.08
  4. Step 4: Simplify right side
    3,212.31x = 11,513,957.68
  5. Step 5: Solve for x
    x = 11,513,957.68/3,212.31
  6. Step 6: Final answer
    x = 3,584.33

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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.