Home / 4,121.28-5,687.82-2,353.05

Finding the Fourth Proportional to 4,121.28, 5,687.82 and 2,353.05

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Solution

The fourth proportional to 4,121.28, 5,687.82 and 2,353.05 is: 3,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.28 : 5,687.82 = 2,353.05 : x
  2. Step 2: Convert to fraction form
    4,121.28/5,687.82 = 2,353.05/x
  3. Step 3: Cross multiply
    4,121.28x = 5,687.82 × 2,353.05
  4. Step 4: Simplify right side
    4,121.28x = 13,383,724.85
  5. Step 5: Solve for x
    x = 13,383,724.85/4,121.28
  6. Step 6: Final answer
    x = 3,247.47

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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.