Home / 2,801.24-4,202.68-2,286.12

Finding the Fourth Proportional to 2,801.24, 4,202.68 and 2,286.12

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Solution

The fourth proportional to 2,801.24, 4,202.68 and 2,286.12 is: 3,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.24 : 4,202.68 = 2,286.12 : x
  2. Step 2: Convert to fraction form
    2,801.24/4,202.68 = 2,286.12/x
  3. Step 3: Cross multiply
    2,801.24x = 4,202.68 × 2,286.12
  4. Step 4: Simplify right side
    2,801.24x = 9,607,830.80
  5. Step 5: Solve for x
    x = 9,607,830.80/2,801.24
  6. Step 6: Final answer
    x = 3,429.85

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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.