Home / 3,937.10-5,906.62-1,163.76

Finding the Fourth Proportional to 3,937.10, 5,906.62 and 1,163.76

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Solution

The fourth proportional to 3,937.10, 5,906.62 and 1,163.76 is: 1,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.10 : 5,906.62 = 1,163.76 : x
  2. Step 2: Convert to fraction form
    3,937.10/5,906.62 = 1,163.76/x
  3. Step 3: Cross multiply
    3,937.10x = 5,906.62 × 1,163.76
  4. Step 4: Simplify right side
    3,937.10x = 6,873,888.09
  5. Step 5: Solve for x
    x = 6,873,888.09/3,937.10
  6. Step 6: Final answer
    x = 1,745.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.