Home / 3,756.29-5,183.87-2,163.18

Finding the Fourth Proportional to 3,756.29, 5,183.87 and 2,163.18

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Solution

The fourth proportional to 3,756.29, 5,183.87 and 2,163.18 is: 2,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.29 : 5,183.87 = 2,163.18 : x
  2. Step 2: Convert to fraction form
    3,756.29/5,183.87 = 2,163.18/x
  3. Step 3: Cross multiply
    3,756.29x = 5,183.87 × 2,163.18
  4. Step 4: Simplify right side
    3,756.29x = 11,213,633.09
  5. Step 5: Solve for x
    x = 11,213,633.09/3,756.29
  6. Step 6: Final answer
    x = 2,985.30

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1.5x scale

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.