Home / 3,322.48-4,982.13-1,936.21

Finding the Fourth Proportional to 3,322.48, 4,982.13 and 1,936.21

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Solution

The fourth proportional to 3,322.48, 4,982.13 and 1,936.21 is: 2,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.48 : 4,982.13 = 1,936.21 : x
  2. Step 2: Convert to fraction form
    3,322.48/4,982.13 = 1,936.21/x
  3. Step 3: Cross multiply
    3,322.48x = 4,982.13 × 1,936.21
  4. Step 4: Simplify right side
    3,322.48x = 9,646,449.93
  5. Step 5: Solve for x
    x = 9,646,449.93/3,322.48
  6. Step 6: Final answer
    x = 2,903.39

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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.