Home / 3,422.88-5,134.32-2,662.56

Finding the Fourth Proportional to 3,422.88, 5,134.32 and 2,662.56

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Solution

The fourth proportional to 3,422.88, 5,134.32 and 2,662.56 is: 3,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.88 : 5,134.32 = 2,662.56 : x
  2. Step 2: Convert to fraction form
    3,422.88/5,134.32 = 2,662.56/x
  3. Step 3: Cross multiply
    3,422.88x = 5,134.32 × 2,662.56
  4. Step 4: Simplify right side
    3,422.88x = 13,670,435.06
  5. Step 5: Solve for x
    x = 13,670,435.06/3,422.88
  6. Step 6: Final answer
    x = 3,993.84

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1.5x scale

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.