Home / 3,955.96-5,449.94-2,758.76

Finding the Fourth Proportional to 3,955.96, 5,449.94 and 2,758.76

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Solution

The fourth proportional to 3,955.96, 5,449.94 and 2,758.76 is: 3,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.96 : 5,449.94 = 2,758.76 : x
  2. Step 2: Convert to fraction form
    3,955.96/5,449.94 = 2,758.76/x
  3. Step 3: Cross multiply
    3,955.96x = 5,449.94 × 2,758.76
  4. Step 4: Simplify right side
    3,955.96x = 15,035,076.47
  5. Step 5: Solve for x
    x = 15,035,076.47/3,955.96
  6. Step 6: Final answer
    x = 3,800.61

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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.