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Finding the Fourth Proportional to 1,323.53, 1,826.52 and 799.46

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Solution

The fourth proportional to 1,323.53, 1,826.52 and 799.46 is: 1,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.53 : 1,826.52 = 799.46 : x
  2. Step 2: Convert to fraction form
    1,323.53/1,826.52 = 799.46/x
  3. Step 3: Cross multiply
    1,323.53x = 1,826.52 × 799.46
  4. Step 4: Simplify right side
    1,323.53x = 1,460,229.68
  5. Step 5: Solve for x
    x = 1,460,229.68/1,323.53
  6. Step 6: Final answer
    x = 1,103.28

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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.