Home / 3,442.28-5,163.60-2,621.84

Finding the Fourth Proportional to 3,442.28, 5,163.60 and 2,621.84

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Solution

The fourth proportional to 3,442.28, 5,163.60 and 2,621.84 is: 3,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.28 : 5,163.60 = 2,621.84 : x
  2. Step 2: Convert to fraction form
    3,442.28/5,163.60 = 2,621.84/x
  3. Step 3: Cross multiply
    3,442.28x = 5,163.60 × 2,621.84
  4. Step 4: Simplify right side
    3,442.28x = 13,538,133.02
  5. Step 5: Solve for x
    x = 13,538,133.02/3,442.28
  6. Step 6: Final answer
    x = 3,932.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.