Home / 3,222.85-4,829.72-1,372.11

Finding the Fourth Proportional to 3,222.85, 4,829.72 and 1,372.11

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Solution

The fourth proportional to 3,222.85, 4,829.72 and 1,372.11 is: 2,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.85 : 4,829.72 = 1,372.11 : x
  2. Step 2: Convert to fraction form
    3,222.85/4,829.72 = 1,372.11/x
  3. Step 3: Cross multiply
    3,222.85x = 4,829.72 × 1,372.11
  4. Step 4: Simplify right side
    3,222.85x = 6,626,882.96
  5. Step 5: Solve for x
    x = 6,626,882.96/3,222.85
  6. Step 6: Final answer
    x = 2,056.22

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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.