Home / 3,982.73-5,496.35-2,214.90

Finding the Fourth Proportional to 3,982.73, 5,496.35 and 2,214.90

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Solution

The fourth proportional to 3,982.73, 5,496.35 and 2,214.90 is: 3,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.73 : 5,496.35 = 2,214.90 : x
  2. Step 2: Convert to fraction form
    3,982.73/5,496.35 = 2,214.90/x
  3. Step 3: Cross multiply
    3,982.73x = 5,496.35 × 2,214.90
  4. Step 4: Simplify right side
    3,982.73x = 12,173,854.54
  5. Step 5: Solve for x
    x = 12,173,854.54/3,982.73
  6. Step 6: Final answer
    x = 3,056.66

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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.