Home / 1,963.23-2,708.82-1,123.46

Finding the Fourth Proportional to 1,963.23, 2,708.82 and 1,123.46

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Solution

The fourth proportional to 1,963.23, 2,708.82 and 1,123.46 is: 1,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.23 : 2,708.82 = 1,123.46 : x
  2. Step 2: Convert to fraction form
    1,963.23/2,708.82 = 1,123.46/x
  3. Step 3: Cross multiply
    1,963.23x = 2,708.82 × 1,123.46
  4. Step 4: Simplify right side
    1,963.23x = 3,043,250.92
  5. Step 5: Solve for x
    x = 3,043,250.92/1,963.23
  6. Step 6: Final answer
    x = 1,550.12

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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.