Home / 3,922.25-5,412.72-2,243.67

Finding the Fourth Proportional to 3,922.25, 5,412.72 and 2,243.67

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Solution

The fourth proportional to 3,922.25, 5,412.72 and 2,243.67 is: 3,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.25 : 5,412.72 = 2,243.67 : x
  2. Step 2: Convert to fraction form
    3,922.25/5,412.72 = 2,243.67/x
  3. Step 3: Cross multiply
    3,922.25x = 5,412.72 × 2,243.67
  4. Step 4: Simplify right side
    3,922.25x = 12,144,346.26
  5. Step 5: Solve for x
    x = 12,144,346.26/3,922.25
  6. Step 6: Final answer
    x = 3,096.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.