Home / 4,288.28-5,917.72-2,399.88

Finding the Fourth Proportional to 4,288.28, 5,917.72 and 2,399.88

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Solution

The fourth proportional to 4,288.28, 5,917.72 and 2,399.88 is: 3,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.28 : 5,917.72 = 2,399.88 : x
  2. Step 2: Convert to fraction form
    4,288.28/5,917.72 = 2,399.88/x
  3. Step 3: Cross multiply
    4,288.28x = 5,917.72 × 2,399.88
  4. Step 4: Simplify right side
    4,288.28x = 14,201,817.87
  5. Step 5: Solve for x
    x = 14,201,817.87/4,288.28
  6. Step 6: Final answer
    x = 3,311.77

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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.