Home / 3,982.82-5,496.32-2,214.45

Finding the Fourth Proportional to 3,982.82, 5,496.32 and 2,214.45

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Solution

The fourth proportional to 3,982.82, 5,496.32 and 2,214.45 is: 3,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.82 : 5,496.32 = 2,214.45 : x
  2. Step 2: Convert to fraction form
    3,982.82/5,496.32 = 2,214.45/x
  3. Step 3: Cross multiply
    3,982.82x = 5,496.32 × 2,214.45
  4. Step 4: Simplify right side
    3,982.82x = 12,171,331.36
  5. Step 5: Solve for x
    x = 12,171,331.36/3,982.82
  6. Step 6: Final answer
    x = 3,055.96

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1.5x scale

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.