Home / 3,934.43-5,429.48-2,255.84

Finding the Fourth Proportional to 3,934.43, 5,429.48 and 2,255.84

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Solution

The fourth proportional to 3,934.43, 5,429.48 and 2,255.84 is: 3,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.43 : 5,429.48 = 2,255.84 : x
  2. Step 2: Convert to fraction form
    3,934.43/5,429.48 = 2,255.84/x
  3. Step 3: Cross multiply
    3,934.43x = 5,429.48 × 2,255.84
  4. Step 4: Simplify right side
    3,934.43x = 12,247,999.74
  5. Step 5: Solve for x
    x = 12,247,999.74/3,934.43
  6. Step 6: Final answer
    x = 3,113.03

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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.