Home / 3,216.75-4,422.08-2,766.97

Finding the Fourth Proportional to 3,216.75, 4,422.08 and 2,766.97

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Solution

The fourth proportional to 3,216.75, 4,422.08 and 2,766.97 is: 3,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.75 : 4,422.08 = 2,766.97 : x
  2. Step 2: Convert to fraction form
    3,216.75/4,422.08 = 2,766.97/x
  3. Step 3: Cross multiply
    3,216.75x = 4,422.08 × 2,766.97
  4. Step 4: Simplify right side
    3,216.75x = 12,235,762.70
  5. Step 5: Solve for x
    x = 12,235,762.70/3,216.75
  6. Step 6: Final answer
    x = 3,803.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.