Home / 3,422.42-4,723.68-2,162.68

Finding the Fourth Proportional to 3,422.42, 4,723.68 and 2,162.68

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Solution

The fourth proportional to 3,422.42, 4,723.68 and 2,162.68 is: 2,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.42 : 4,723.68 = 2,162.68 : x
  2. Step 2: Convert to fraction form
    3,422.42/4,723.68 = 2,162.68/x
  3. Step 3: Cross multiply
    3,422.42x = 4,723.68 × 2,162.68
  4. Step 4: Simplify right side
    3,422.42x = 10,215,796.45
  5. Step 5: Solve for x
    x = 10,215,796.45/3,422.42
  6. Step 6: Final answer
    x = 2,984.96

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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.