Home / 3,821.73-5,723.37-2,173.28

Finding the Fourth Proportional to 3,821.73, 5,723.37 and 2,173.28

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Solution

The fourth proportional to 3,821.73, 5,723.37 and 2,173.28 is: 3,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.73 : 5,723.37 = 2,173.28 : x
  2. Step 2: Convert to fraction form
    3,821.73/5,723.37 = 2,173.28/x
  3. Step 3: Cross multiply
    3,821.73x = 5,723.37 × 2,173.28
  4. Step 4: Simplify right side
    3,821.73x = 12,438,485.55
  5. Step 5: Solve for x
    x = 12,438,485.55/3,821.73
  6. Step 6: Final answer
    x = 3,254.67

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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.