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Finding the Fourth Proportional to 2,882.94, 3,976.92 and 1,764.42

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Solution

The fourth proportional to 2,882.94, 3,976.92 and 1,764.42 is: 2,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.94 : 3,976.92 = 1,764.42 : x
  2. Step 2: Convert to fraction form
    2,882.94/3,976.92 = 1,764.42/x
  3. Step 3: Cross multiply
    2,882.94x = 3,976.92 × 1,764.42
  4. Step 4: Simplify right side
    2,882.94x = 7,016,957.19
  5. Step 5: Solve for x
    x = 7,016,957.19/2,882.94
  6. Step 6: Final answer
    x = 2,433.96

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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.