Home / 3,934.26-5,429.43-2,255.67

Finding the Fourth Proportional to 3,934.26, 5,429.43 and 2,255.67

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Solution

The fourth proportional to 3,934.26, 5,429.43 and 2,255.67 is: 3,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.26 : 5,429.43 = 2,255.67 : x
  2. Step 2: Convert to fraction form
    3,934.26/5,429.43 = 2,255.67/x
  3. Step 3: Cross multiply
    3,934.26x = 5,429.43 × 2,255.67
  4. Step 4: Simplify right side
    3,934.26x = 12,247,002.37
  5. Step 5: Solve for x
    x = 12,247,002.37/3,934.26
  6. Step 6: Final answer
    x = 3,112.91

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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.