Home / 1,968.88-2,951.16-1,323.04

Finding the Fourth Proportional to 1,968.88, 2,951.16 and 1,323.04

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Solution

The fourth proportional to 1,968.88, 2,951.16 and 1,323.04 is: 1,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.88 : 2,951.16 = 1,323.04 : x
  2. Step 2: Convert to fraction form
    1,968.88/2,951.16 = 1,323.04/x
  3. Step 3: Cross multiply
    1,968.88x = 2,951.16 × 1,323.04
  4. Step 4: Simplify right side
    1,968.88x = 3,904,502.73
  5. Step 5: Solve for x
    x = 3,904,502.73/1,968.88
  6. Step 6: Final answer
    x = 1,983.11

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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.