Home / 2,982.30-4,115.60-1,637.97

Finding the Fourth Proportional to 2,982.30, 4,115.60 and 1,637.97

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Solution

The fourth proportional to 2,982.30, 4,115.60 and 1,637.97 is: 2,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.30 : 4,115.60 = 1,637.97 : x
  2. Step 2: Convert to fraction form
    2,982.30/4,115.60 = 1,637.97/x
  3. Step 3: Cross multiply
    2,982.30x = 4,115.60 × 1,637.97
  4. Step 4: Simplify right side
    2,982.30x = 6,741,212.85
  5. Step 5: Solve for x
    x = 6,741,212.85/2,982.30
  6. Step 6: Final answer
    x = 2,260.41

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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.