Home / 3,934.26-5,429.07-2,255.54

Finding the Fourth Proportional to 3,934.26, 5,429.07 and 2,255.54

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Solution

The fourth proportional to 3,934.26, 5,429.07 and 2,255.54 is: 3,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.26 : 5,429.07 = 2,255.54 : x
  2. Step 2: Convert to fraction form
    3,934.26/5,429.07 = 2,255.54/x
  3. Step 3: Cross multiply
    3,934.26x = 5,429.07 × 2,255.54
  4. Step 4: Simplify right side
    3,934.26x = 12,245,457.40
  5. Step 5: Solve for x
    x = 12,245,457.40/3,934.26
  6. Step 6: Final answer
    x = 3,112.52

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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.