Home / 2,865.46-3,956.16-2,236.64

Finding the Fourth Proportional to 2,865.46, 3,956.16 and 2,236.64

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Solution

The fourth proportional to 2,865.46, 3,956.16 and 2,236.64 is: 3,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.46 : 3,956.16 = 2,236.64 : x
  2. Step 2: Convert to fraction form
    2,865.46/3,956.16 = 2,236.64/x
  3. Step 3: Cross multiply
    2,865.46x = 3,956.16 × 2,236.64
  4. Step 4: Simplify right side
    2,865.46x = 8,848,505.70
  5. Step 5: Solve for x
    x = 8,848,505.70/2,865.46
  6. Step 6: Final answer
    x = 3,087.99

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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.