Home / 2,645.15-3,964.88-1,163.06

Finding the Fourth Proportional to 2,645.15, 3,964.88 and 1,163.06

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Solution

The fourth proportional to 2,645.15, 3,964.88 and 1,163.06 is: 1,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.15 : 3,964.88 = 1,163.06 : x
  2. Step 2: Convert to fraction form
    2,645.15/3,964.88 = 1,163.06/x
  3. Step 3: Cross multiply
    2,645.15x = 3,964.88 × 1,163.06
  4. Step 4: Simplify right side
    2,645.15x = 4,611,367.69
  5. Step 5: Solve for x
    x = 4,611,367.69/2,645.15
  6. Step 6: Final answer
    x = 1,743.33

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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.