Home / 1,982.49-2,733.93-1,608.95

Finding the Fourth Proportional to 1,982.49, 2,733.93 and 1,608.95

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Solution

The fourth proportional to 1,982.49, 2,733.93 and 1,608.95 is: 2,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.49 : 2,733.93 = 1,608.95 : x
  2. Step 2: Convert to fraction form
    1,982.49/2,733.93 = 1,608.95/x
  3. Step 3: Cross multiply
    1,982.49x = 2,733.93 × 1,608.95
  4. Step 4: Simplify right side
    1,982.49x = 4,398,743.00
  5. Step 5: Solve for x
    x = 4,398,743.00/1,982.49
  6. Step 6: Final answer
    x = 2,218.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.