Home / 3,163.96-4,365.84-1,766.80

Finding the Fourth Proportional to 3,163.96, 4,365.84 and 1,766.80

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Solution

The fourth proportional to 3,163.96, 4,365.84 and 1,766.80 is: 2,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.96 : 4,365.84 = 1,766.80 : x
  2. Step 2: Convert to fraction form
    3,163.96/4,365.84 = 1,766.80/x
  3. Step 3: Cross multiply
    3,163.96x = 4,365.84 × 1,766.80
  4. Step 4: Simplify right side
    3,163.96x = 7,713,566.11
  5. Step 5: Solve for x
    x = 7,713,566.11/3,163.96
  6. Step 6: Final answer
    x = 2,437.95

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1.5x scale

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.