Home / 4,112.78-5,674.31-2,517.77

Finding the Fourth Proportional to 4,112.78, 5,674.31 and 2,517.77

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Solution

The fourth proportional to 4,112.78, 5,674.31 and 2,517.77 is: 3,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.78 : 5,674.31 = 2,517.77 : x
  2. Step 2: Convert to fraction form
    4,112.78/5,674.31 = 2,517.77/x
  3. Step 3: Cross multiply
    4,112.78x = 5,674.31 × 2,517.77
  4. Step 4: Simplify right side
    4,112.78x = 14,286,597.25
  5. Step 5: Solve for x
    x = 14,286,597.25/4,112.78
  6. Step 6: Final answer
    x = 3,473.71

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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.