Home / 2,745.58-4,115.42-1,186.32

Finding the Fourth Proportional to 2,745.58, 4,115.42 and 1,186.32

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Solution

The fourth proportional to 2,745.58, 4,115.42 and 1,186.32 is: 1,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.58 : 4,115.42 = 1,186.32 : x
  2. Step 2: Convert to fraction form
    2,745.58/4,115.42 = 1,186.32/x
  3. Step 3: Cross multiply
    2,745.58x = 4,115.42 × 1,186.32
  4. Step 4: Simplify right side
    2,745.58x = 4,882,205.05
  5. Step 5: Solve for x
    x = 4,882,205.05/2,745.58
  6. Step 6: Final answer
    x = 1,778.21

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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.