Home / 2,319.64-3,481.42-1,223.44

Finding the Fourth Proportional to 2,319.64, 3,481.42 and 1,223.44

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Solution

The fourth proportional to 2,319.64, 3,481.42 and 1,223.44 is: 1,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.64 : 3,481.42 = 1,223.44 : x
  2. Step 2: Convert to fraction form
    2,319.64/3,481.42 = 1,223.44/x
  3. Step 3: Cross multiply
    2,319.64x = 3,481.42 × 1,223.44
  4. Step 4: Simplify right side
    2,319.64x = 4,259,308.48
  5. Step 5: Solve for x
    x = 4,259,308.48/2,319.64
  6. Step 6: Final answer
    x = 1,836.19

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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.