Home / 2,963.82-4,442.66-1,321.14

Finding the Fourth Proportional to 2,963.82, 4,442.66 and 1,321.14

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Solution

The fourth proportional to 2,963.82, 4,442.66 and 1,321.14 is: 1,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.82 : 4,442.66 = 1,321.14 : x
  2. Step 2: Convert to fraction form
    2,963.82/4,442.66 = 1,321.14/x
  3. Step 3: Cross multiply
    2,963.82x = 4,442.66 × 1,321.14
  4. Step 4: Simplify right side
    2,963.82x = 5,869,369.23
  5. Step 5: Solve for x
    x = 5,869,369.23/2,963.82
  6. Step 6: Final answer
    x = 1,980.34

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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.