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Finding the Fourth Proportional to 2,650.32, 3,976.04 and 801.32

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Solution

The fourth proportional to 2,650.32, 3,976.04 and 801.32 is: 1,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.32 : 3,976.04 = 801.32 : x
  2. Step 2: Convert to fraction form
    2,650.32/3,976.04 = 801.32/x
  3. Step 3: Cross multiply
    2,650.32x = 3,976.04 × 801.32
  4. Step 4: Simplify right side
    2,650.32x = 3,186,080.37
  5. Step 5: Solve for x
    x = 3,186,080.37/2,650.32
  6. Step 6: Final answer
    x = 1,202.15

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