Home / 4,157.28-6,232.32-1,964.88

Finding the Fourth Proportional to 4,157.28, 6,232.32 and 1,964.88

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Solution

The fourth proportional to 4,157.28, 6,232.32 and 1,964.88 is: 2,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.28 : 6,232.32 = 1,964.88 : x
  2. Step 2: Convert to fraction form
    4,157.28/6,232.32 = 1,964.88/x
  3. Step 3: Cross multiply
    4,157.28x = 6,232.32 × 1,964.88
  4. Step 4: Simplify right side
    4,157.28x = 12,245,760.92
  5. Step 5: Solve for x
    x = 12,245,760.92/4,157.28
  6. Step 6: Final answer
    x = 2,945.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.