Home / 3,422.98-4,723.78-2,007.75

Finding the Fourth Proportional to 3,422.98, 4,723.78 and 2,007.75

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Solution

The fourth proportional to 3,422.98, 4,723.78 and 2,007.75 is: 2,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.98 : 4,723.78 = 2,007.75 : x
  2. Step 2: Convert to fraction form
    3,422.98/4,723.78 = 2,007.75/x
  3. Step 3: Cross multiply
    3,422.98x = 4,723.78 × 2,007.75
  4. Step 4: Simplify right side
    3,422.98x = 9,484,169.30
  5. Step 5: Solve for x
    x = 9,484,169.30/3,422.98
  6. Step 6: Final answer
    x = 2,770.73

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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.