Home / 3,222.21-4,827.02-2,221.38

Finding the Fourth Proportional to 3,222.21, 4,827.02 and 2,221.38

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Solution

The fourth proportional to 3,222.21, 4,827.02 and 2,221.38 is: 3,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.21 : 4,827.02 = 2,221.38 : x
  2. Step 2: Convert to fraction form
    3,222.21/4,827.02 = 2,221.38/x
  3. Step 3: Cross multiply
    3,222.21x = 4,827.02 × 2,221.38
  4. Step 4: Simplify right side
    3,222.21x = 10,722,621.55
  5. Step 5: Solve for x
    x = 10,722,621.55/3,222.21
  6. Step 6: Final answer
    x = 3,327.72

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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.