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Finding the Fourth Proportional to 3,976.64, 5,964.79 and 1,898.08

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Solution

The fourth proportional to 3,976.64, 5,964.79 and 1,898.08 is: 2,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.64 : 5,964.79 = 1,898.08 : x
  2. Step 2: Convert to fraction form
    3,976.64/5,964.79 = 1,898.08/x
  3. Step 3: Cross multiply
    3,976.64x = 5,964.79 × 1,898.08
  4. Step 4: Simplify right side
    3,976.64x = 11,321,666.06
  5. Step 5: Solve for x
    x = 11,321,666.06/3,976.64
  6. Step 6: Final answer
    x = 2,847.04

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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.