Home / 1,961.82-2,937.26-1,344.60

Finding the Fourth Proportional to 1,961.82, 2,937.26 and 1,344.60

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Solution

The fourth proportional to 1,961.82, 2,937.26 and 1,344.60 is: 2,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.82 : 2,937.26 = 1,344.60 : x
  2. Step 2: Convert to fraction form
    1,961.82/2,937.26 = 1,344.60/x
  3. Step 3: Cross multiply
    1,961.82x = 2,937.26 × 1,344.60
  4. Step 4: Simplify right side
    1,961.82x = 3,949,443.16
  5. Step 5: Solve for x
    x = 3,949,443.16/1,961.82
  6. Step 6: Final answer
    x = 2,013.15

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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.