Home / 1,645.11-2,467.67-1,185.84

Finding the Fourth Proportional to 1,645.11, 2,467.67 and 1,185.84

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Solution

The fourth proportional to 1,645.11, 2,467.67 and 1,185.84 is: 1,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.11 : 2,467.67 = 1,185.84 : x
  2. Step 2: Convert to fraction form
    1,645.11/2,467.67 = 1,185.84/x
  3. Step 3: Cross multiply
    1,645.11x = 2,467.67 × 1,185.84
  4. Step 4: Simplify right side
    1,645.11x = 2,926,255.86
  5. Step 5: Solve for x
    x = 2,926,255.86/1,645.11
  6. Step 6: Final answer
    x = 1,778.76

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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.