Home / 3,822.02-5,274.33-2,143.43

Finding the Fourth Proportional to 3,822.02, 5,274.33 and 2,143.43

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Solution

The fourth proportional to 3,822.02, 5,274.33 and 2,143.43 is: 2,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.02 : 5,274.33 = 2,143.43 : x
  2. Step 2: Convert to fraction form
    3,822.02/5,274.33 = 2,143.43/x
  3. Step 3: Cross multiply
    3,822.02x = 5,274.33 × 2,143.43
  4. Step 4: Simplify right side
    3,822.02x = 11,305,157.15
  5. Step 5: Solve for x
    x = 11,305,157.15/3,822.02
  6. Step 6: Final answer
    x = 2,957.90

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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.