Home / 2,836.34-3,912.02-1,997.29

Finding the Fourth Proportional to 2,836.34, 3,912.02 and 1,997.29

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Solution

The fourth proportional to 2,836.34, 3,912.02 and 1,997.29 is: 2,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.34 : 3,912.02 = 1,997.29 : x
  2. Step 2: Convert to fraction form
    2,836.34/3,912.02 = 1,997.29/x
  3. Step 3: Cross multiply
    2,836.34x = 3,912.02 × 1,997.29
  4. Step 4: Simplify right side
    2,836.34x = 7,813,433.64
  5. Step 5: Solve for x
    x = 7,813,433.64/2,836.34
  6. Step 6: Final answer
    x = 2,754.76

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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.