Home / 3,933.76-5,426.88-2,440.60

Finding the Fourth Proportional to 3,933.76, 5,426.88 and 2,440.60

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Solution

The fourth proportional to 3,933.76, 5,426.88 and 2,440.60 is: 3,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.76 : 5,426.88 = 2,440.60 : x
  2. Step 2: Convert to fraction form
    3,933.76/5,426.88 = 2,440.60/x
  3. Step 3: Cross multiply
    3,933.76x = 5,426.88 × 2,440.60
  4. Step 4: Simplify right side
    3,933.76x = 13,244,843.33
  5. Step 5: Solve for x
    x = 13,244,843.33/3,933.76
  6. Step 6: Final answer
    x = 3,366.97

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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.