Home / 2,286.52-3,428.70-899.44

Finding the Fourth Proportional to 2,286.52, 3,428.70 and 899.44

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Solution

The fourth proportional to 2,286.52, 3,428.70 and 899.44 is: 1,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.52 : 3,428.70 = 899.44 : x
  2. Step 2: Convert to fraction form
    2,286.52/3,428.70 = 899.44/x
  3. Step 3: Cross multiply
    2,286.52x = 3,428.70 × 899.44
  4. Step 4: Simplify right side
    2,286.52x = 3,083,909.93
  5. Step 5: Solve for x
    x = 3,083,909.93/2,286.52
  6. Step 6: Final answer
    x = 1,348.74

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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.