Home / 3,982.92-5,496.77-2,214.87

Finding the Fourth Proportional to 3,982.92, 5,496.77 and 2,214.87

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Solution

The fourth proportional to 3,982.92, 5,496.77 and 2,214.87 is: 3,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.92 : 5,496.77 = 2,214.87 : x
  2. Step 2: Convert to fraction form
    3,982.92/5,496.77 = 2,214.87/x
  3. Step 3: Cross multiply
    3,982.92x = 5,496.77 × 2,214.87
  4. Step 4: Simplify right side
    3,982.92x = 12,174,634.47
  5. Step 5: Solve for x
    x = 12,174,634.47/3,982.92
  6. Step 6: Final answer
    x = 3,056.71

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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.