Home / 3,286.66-4,544.34-2,871.66

Finding the Fourth Proportional to 3,286.66, 4,544.34 and 2,871.66

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Solution

The fourth proportional to 3,286.66, 4,544.34 and 2,871.66 is: 3,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.66 : 4,544.34 = 2,871.66 : x
  2. Step 2: Convert to fraction form
    3,286.66/4,544.34 = 2,871.66/x
  3. Step 3: Cross multiply
    3,286.66x = 4,544.34 × 2,871.66
  4. Step 4: Simplify right side
    3,286.66x = 13,049,799.40
  5. Step 5: Solve for x
    x = 13,049,799.40/3,286.66
  6. Step 6: Final answer
    x = 3,970.54

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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.