Home / 2,837.41-3,912.40-1,997.85

Finding the Fourth Proportional to 2,837.41, 3,912.40 and 1,997.85

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Solution

The fourth proportional to 2,837.41, 3,912.40 and 1,997.85 is: 2,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.41 : 3,912.40 = 1,997.85 : x
  2. Step 2: Convert to fraction form
    2,837.41/3,912.40 = 1,997.85/x
  3. Step 3: Cross multiply
    2,837.41x = 3,912.40 × 1,997.85
  4. Step 4: Simplify right side
    2,837.41x = 7,816,363.78
  5. Step 5: Solve for x
    x = 7,816,363.78/2,837.41
  6. Step 6: Final answer
    x = 2,754.75

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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.