Home / 3,982.37-5,495.87-2,213.94

Finding the Fourth Proportional to 3,982.37, 5,495.87 and 2,213.94

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Solution

The fourth proportional to 3,982.37, 5,495.87 and 2,213.94 is: 3,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.37 : 5,495.87 = 2,213.94 : x
  2. Step 2: Convert to fraction form
    3,982.37/5,495.87 = 2,213.94/x
  3. Step 3: Cross multiply
    3,982.37x = 5,495.87 × 2,213.94
  4. Step 4: Simplify right side
    3,982.37x = 12,167,515.36
  5. Step 5: Solve for x
    x = 12,167,515.36/3,982.37
  6. Step 6: Final answer
    x = 3,055.35

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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.