Home / 3,982.36-5,495.01-2,213.92

Finding the Fourth Proportional to 3,982.36, 5,495.01 and 2,213.92

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Solution

The fourth proportional to 3,982.36, 5,495.01 and 2,213.92 is: 3,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.36 : 5,495.01 = 2,213.92 : x
  2. Step 2: Convert to fraction form
    3,982.36/5,495.01 = 2,213.92/x
  3. Step 3: Cross multiply
    3,982.36x = 5,495.01 × 2,213.92
  4. Step 4: Simplify right side
    3,982.36x = 12,165,512.54
  5. Step 5: Solve for x
    x = 12,165,512.54/3,982.36
  6. Step 6: Final answer
    x = 3,054.85

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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.