Home / 3,163.25-4,365.33-1,766

Finding the Fourth Proportional to 3,163.25, 4,365.33 and 1,766

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Solution

The fourth proportional to 3,163.25, 4,365.33 and 1,766 is: 2,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.25 : 4,365.33 = 1,766 : x
  2. Step 2: Convert to fraction form
    3,163.25/4,365.33 = 1,766/x
  3. Step 3: Cross multiply
    3,163.25x = 4,365.33 × 1,766
  4. Step 4: Simplify right side
    3,163.25x = 7,709,172.78
  5. Step 5: Solve for x
    x = 7,709,172.78/3,163.25
  6. Step 6: Final answer
    x = 2,437.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.