Home / 2,265.24-3,397.82-1,289.25

Finding the Fourth Proportional to 2,265.24, 3,397.82 and 1,289.25

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Solution

The fourth proportional to 2,265.24, 3,397.82 and 1,289.25 is: 1,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.24 : 3,397.82 = 1,289.25 : x
  2. Step 2: Convert to fraction form
    2,265.24/3,397.82 = 1,289.25/x
  3. Step 3: Cross multiply
    2,265.24x = 3,397.82 × 1,289.25
  4. Step 4: Simplify right side
    2,265.24x = 4,380,632.99
  5. Step 5: Solve for x
    x = 4,380,632.99/2,265.24
  6. Step 6: Final answer
    x = 1,933.85

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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.