Home / 3,093.10-4,268.78-1,766.91

Finding the Fourth Proportional to 3,093.10, 4,268.78 and 1,766.91

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Solution

The fourth proportional to 3,093.10, 4,268.78 and 1,766.91 is: 2,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.10 : 4,268.78 = 1,766.91 : x
  2. Step 2: Convert to fraction form
    3,093.10/4,268.78 = 1,766.91/x
  3. Step 3: Cross multiply
    3,093.10x = 4,268.78 × 1,766.91
  4. Step 4: Simplify right side
    3,093.10x = 7,542,550.07
  5. Step 5: Solve for x
    x = 7,542,550.07/3,093.10
  6. Step 6: Final answer
    x = 2,438.51

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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.