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Finding the Fourth Proportional to 2,998.16, 4,497.32 and 806.89

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Solution

The fourth proportional to 2,998.16, 4,497.32 and 806.89 is: 1,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.16 : 4,497.32 = 806.89 : x
  2. Step 2: Convert to fraction form
    2,998.16/4,497.32 = 806.89/x
  3. Step 3: Cross multiply
    2,998.16x = 4,497.32 × 806.89
  4. Step 4: Simplify right side
    2,998.16x = 3,628,842.53
  5. Step 5: Solve for x
    x = 3,628,842.53/2,998.16
  6. Step 6: Final answer
    x = 1,210.36

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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.