Home / 2,813.26-3,882.18-1,634.26

Finding the Fourth Proportional to 2,813.26, 3,882.18 and 1,634.26

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Solution

The fourth proportional to 2,813.26, 3,882.18 and 1,634.26 is: 2,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.26 : 3,882.18 = 1,634.26 : x
  2. Step 2: Convert to fraction form
    2,813.26/3,882.18 = 1,634.26/x
  3. Step 3: Cross multiply
    2,813.26x = 3,882.18 × 1,634.26
  4. Step 4: Simplify right side
    2,813.26x = 6,344,491.49
  5. Step 5: Solve for x
    x = 6,344,491.49/2,813.26
  6. Step 6: Final answer
    x = 2,255.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.