Home / 3,204.81-4,804.82-2,161.88

Finding the Fourth Proportional to 3,204.81, 4,804.82 and 2,161.88

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Solution

The fourth proportional to 3,204.81, 4,804.82 and 2,161.88 is: 3,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.81 : 4,804.82 = 2,161.88 : x
  2. Step 2: Convert to fraction form
    3,204.81/4,804.82 = 2,161.88/x
  3. Step 3: Cross multiply
    3,204.81x = 4,804.82 × 2,161.88
  4. Step 4: Simplify right side
    3,204.81x = 10,387,409.43
  5. Step 5: Solve for x
    x = 10,387,409.43/3,204.81
  6. Step 6: Final answer
    x = 3,241.19

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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.