Home / 1,634.25-2,257.12-1,109.37

Finding the Fourth Proportional to 1,634.25, 2,257.12 and 1,109.37

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Solution

The fourth proportional to 1,634.25, 2,257.12 and 1,109.37 is: 1,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.25 : 2,257.12 = 1,109.37 : x
  2. Step 2: Convert to fraction form
    1,634.25/2,257.12 = 1,109.37/x
  3. Step 3: Cross multiply
    1,634.25x = 2,257.12 × 1,109.37
  4. Step 4: Simplify right side
    1,634.25x = 2,503,982.60
  5. Step 5: Solve for x
    x = 2,503,982.60/1,634.25
  6. Step 6: Final answer
    x = 1,532.19

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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.