Home / 3,742.50-5,163.39-2,170.02

Finding the Fourth Proportional to 3,742.50, 5,163.39 and 2,170.02

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Solution

The fourth proportional to 3,742.50, 5,163.39 and 2,170.02 is: 2,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.50 : 5,163.39 = 2,170.02 : x
  2. Step 2: Convert to fraction form
    3,742.50/5,163.39 = 2,170.02/x
  3. Step 3: Cross multiply
    3,742.50x = 5,163.39 × 2,170.02
  4. Step 4: Simplify right side
    3,742.50x = 11,204,659.57
  5. Step 5: Solve for x
    x = 11,204,659.57/3,742.50
  6. Step 6: Final answer
    x = 2,993.90

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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.