Home / 2,286.55-3,431.24-899.65

Finding the Fourth Proportional to 2,286.55, 3,431.24 and 899.65

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Solution

The fourth proportional to 2,286.55, 3,431.24 and 899.65 is: 1,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.55 : 3,431.24 = 899.65 : x
  2. Step 2: Convert to fraction form
    2,286.55/3,431.24 = 899.65/x
  3. Step 3: Cross multiply
    2,286.55x = 3,431.24 × 899.65
  4. Step 4: Simplify right side
    2,286.55x = 3,086,918.23
  5. Step 5: Solve for x
    x = 3,086,918.23/2,286.55
  6. Step 6: Final answer
    x = 1,350.03

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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.