Home / 3,163.55-4,365.70-1,766.30

Finding the Fourth Proportional to 3,163.55, 4,365.70 and 1,766.30

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Solution

The fourth proportional to 3,163.55, 4,365.70 and 1,766.30 is: 2,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.55 : 4,365.70 = 1,766.30 : x
  2. Step 2: Convert to fraction form
    3,163.55/4,365.70 = 1,766.30/x
  3. Step 3: Cross multiply
    3,163.55x = 4,365.70 × 1,766.30
  4. Step 4: Simplify right side
    3,163.55x = 7,711,109.67
  5. Step 5: Solve for x
    x = 7,711,109.67/3,163.55
  6. Step 6: Final answer
    x = 2,437.49

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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.