Home / 3,398.04-4,689.42-1,982.64

Finding the Fourth Proportional to 3,398.04, 4,689.42 and 1,982.64

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Solution

The fourth proportional to 3,398.04, 4,689.42 and 1,982.64 is: 2,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.04 : 4,689.42 = 1,982.64 : x
  2. Step 2: Convert to fraction form
    3,398.04/4,689.42 = 1,982.64/x
  3. Step 3: Cross multiply
    3,398.04x = 4,689.42 × 1,982.64
  4. Step 4: Simplify right side
    3,398.04x = 9,297,431.67
  5. Step 5: Solve for x
    x = 9,297,431.67/3,398.04
  6. Step 6: Final answer
    x = 2,736.12

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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.