Home / 1,976.13-2,962.44-1,108.62

Finding the Fourth Proportional to 1,976.13, 2,962.44 and 1,108.62

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Solution

The fourth proportional to 1,976.13, 2,962.44 and 1,108.62 is: 1,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.13 : 2,962.44 = 1,108.62 : x
  2. Step 2: Convert to fraction form
    1,976.13/2,962.44 = 1,108.62/x
  3. Step 3: Cross multiply
    1,976.13x = 2,962.44 × 1,108.62
  4. Step 4: Simplify right side
    1,976.13x = 3,284,220.23
  5. Step 5: Solve for x
    x = 3,284,220.23/1,976.13
  6. Step 6: Final answer
    x = 1,661.95

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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.