Home / 2,960.31-4,445.49-1,979.44

Finding the Fourth Proportional to 2,960.31, 4,445.49 and 1,979.44

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Solution

The fourth proportional to 2,960.31, 4,445.49 and 1,979.44 is: 2,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.31 : 4,445.49 = 1,979.44 : x
  2. Step 2: Convert to fraction form
    2,960.31/4,445.49 = 1,979.44/x
  3. Step 3: Cross multiply
    2,960.31x = 4,445.49 × 1,979.44
  4. Step 4: Simplify right side
    2,960.31x = 8,799,577.03
  5. Step 5: Solve for x
    x = 8,799,577.03/2,960.31
  6. Step 6: Final answer
    x = 2,972.52

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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.