Home / 4,121.87-5,687.66-2,353.01

Finding the Fourth Proportional to 4,121.87, 5,687.66 and 2,353.01

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Solution

The fourth proportional to 4,121.87, 5,687.66 and 2,353.01 is: 3,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.87 : 5,687.66 = 2,353.01 : x
  2. Step 2: Convert to fraction form
    4,121.87/5,687.66 = 2,353.01/x
  3. Step 3: Cross multiply
    4,121.87x = 5,687.66 × 2,353.01
  4. Step 4: Simplify right side
    4,121.87x = 13,383,109.09
  5. Step 5: Solve for x
    x = 13,383,109.09/4,121.87
  6. Step 6: Final answer
    x = 3,246.85

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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.