Home / 3,268.77-4,510.31-1,942.80

Finding the Fourth Proportional to 3,268.77, 4,510.31 and 1,942.80

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Solution

The fourth proportional to 3,268.77, 4,510.31 and 1,942.80 is: 2,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.77 : 4,510.31 = 1,942.80 : x
  2. Step 2: Convert to fraction form
    3,268.77/4,510.31 = 1,942.80/x
  3. Step 3: Cross multiply
    3,268.77x = 4,510.31 × 1,942.80
  4. Step 4: Simplify right side
    3,268.77x = 8,762,620.55
  5. Step 5: Solve for x
    x = 8,762,620.55/3,268.77
  6. Step 6: Final answer
    x = 2,680.71

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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.