Home / 2,626.97-3,939.30-1,394.10

Finding the Fourth Proportional to 2,626.97, 3,939.30 and 1,394.10

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Solution

The fourth proportional to 2,626.97, 3,939.30 and 1,394.10 is: 2,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.97 : 3,939.30 = 1,394.10 : x
  2. Step 2: Convert to fraction form
    2,626.97/3,939.30 = 1,394.10/x
  3. Step 3: Cross multiply
    2,626.97x = 3,939.30 × 1,394.10
  4. Step 4: Simplify right side
    2,626.97x = 5,491,778.13
  5. Step 5: Solve for x
    x = 5,491,778.13/2,626.97
  6. Step 6: Final answer
    x = 2,090.54

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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.