Home / 3,982.96-5,496.52-2,214.64

Finding the Fourth Proportional to 3,982.96, 5,496.52 and 2,214.64

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Solution

The fourth proportional to 3,982.96, 5,496.52 and 2,214.64 is: 3,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.96 : 5,496.52 = 2,214.64 : x
  2. Step 2: Convert to fraction form
    3,982.96/5,496.52 = 2,214.64/x
  3. Step 3: Cross multiply
    3,982.96x = 5,496.52 × 2,214.64
  4. Step 4: Simplify right side
    3,982.96x = 12,172,813.05
  5. Step 5: Solve for x
    x = 12,172,813.05/3,982.96
  6. Step 6: Final answer
    x = 3,056.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.