Home / 3,163.35-4,745.00-1,188.89

Finding the Fourth Proportional to 3,163.35, 4,745.00 and 1,188.89

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Solution

The fourth proportional to 3,163.35, 4,745.00 and 1,188.89 is: 1,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.35 : 4,745.00 = 1,188.89 : x
  2. Step 2: Convert to fraction form
    3,163.35/4,745.00 = 1,188.89/x
  3. Step 3: Cross multiply
    3,163.35x = 4,745.00 × 1,188.89
  4. Step 4: Simplify right side
    3,163.35x = 5,641,300.09
  5. Step 5: Solve for x
    x = 5,641,300.09/3,163.35
  6. Step 6: Final answer
    x = 1,783.33

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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.