Home / 1,982.63-2,733.54-1,273.23

Finding the Fourth Proportional to 1,982.63, 2,733.54 and 1,273.23

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Solution

The fourth proportional to 1,982.63, 2,733.54 and 1,273.23 is: 1,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.63 : 2,733.54 = 1,273.23 : x
  2. Step 2: Convert to fraction form
    1,982.63/2,733.54 = 1,273.23/x
  3. Step 3: Cross multiply
    1,982.63x = 2,733.54 × 1,273.23
  4. Step 4: Simplify right side
    1,982.63x = 3,480,425.13
  5. Step 5: Solve for x
    x = 3,480,425.13/1,982.63
  6. Step 6: Final answer
    x = 1,755.46

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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.