Home / 2,822.02-3,895.19-1,982.92

Finding the Fourth Proportional to 2,822.02, 3,895.19 and 1,982.92

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Solution

The fourth proportional to 2,822.02, 3,895.19 and 1,982.92 is: 2,736.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.02 : 3,895.19 = 1,982.92 : x
  2. Step 2: Convert to fraction form
    2,822.02/3,895.19 = 1,982.92/x
  3. Step 3: Cross multiply
    2,822.02x = 3,895.19 × 1,982.92
  4. Step 4: Simplify right side
    2,822.02x = 7,723,850.15
  5. Step 5: Solve for x
    x = 7,723,850.15/2,822.02
  6. Step 6: Final answer
    x = 2,736.99

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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.