Home / 2,622.44-3,930.68-1,371.11

Finding the Fourth Proportional to 2,622.44, 3,930.68 and 1,371.11

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Solution

The fourth proportional to 2,622.44, 3,930.68 and 1,371.11 is: 2,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.44 : 3,930.68 = 1,371.11 : x
  2. Step 2: Convert to fraction form
    2,622.44/3,930.68 = 1,371.11/x
  3. Step 3: Cross multiply
    2,622.44x = 3,930.68 × 1,371.11
  4. Step 4: Simplify right side
    2,622.44x = 5,389,375.00
  5. Step 5: Solve for x
    x = 5,389,375.00/2,622.44
  6. Step 6: Final answer
    x = 2,055.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.