Home / 4,286.88-6,431.52-2,340.42

Finding the Fourth Proportional to 4,286.88, 6,431.52 and 2,340.42

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Solution

The fourth proportional to 4,286.88, 6,431.52 and 2,340.42 is: 3,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.88 : 6,431.52 = 2,340.42 : x
  2. Step 2: Convert to fraction form
    4,286.88/6,431.52 = 2,340.42/x
  3. Step 3: Cross multiply
    4,286.88x = 6,431.52 × 2,340.42
  4. Step 4: Simplify right side
    4,286.88x = 15,052,458.04
  5. Step 5: Solve for x
    x = 15,052,458.04/4,286.88
  6. Step 6: Final answer
    x = 3,511.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.