Home / 3,756-5,183.28-2,185.02

Finding the Fourth Proportional to 3,756, 5,183.28 and 2,185.02

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Solution

The fourth proportional to 3,756, 5,183.28 and 2,185.02 is: 3,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756 : 5,183.28 = 2,185.02 : x
  2. Step 2: Convert to fraction form
    3,756/5,183.28 = 2,185.02/x
  3. Step 3: Cross multiply
    3,756x = 5,183.28 × 2,185.02
  4. Step 4: Simplify right side
    3,756x = 11,325,570.47
  5. Step 5: Solve for x
    x = 11,325,570.47/3,756
  6. Step 6: Final answer
    x = 3,015.33

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Why These Related Problems?

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