Home / 3,190.36-4,787.43-1,729.48

Finding the Fourth Proportional to 3,190.36, 4,787.43 and 1,729.48

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Solution

The fourth proportional to 3,190.36, 4,787.43 and 1,729.48 is: 2,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.36 : 4,787.43 = 1,729.48 : x
  2. Step 2: Convert to fraction form
    3,190.36/4,787.43 = 1,729.48/x
  3. Step 3: Cross multiply
    3,190.36x = 4,787.43 × 1,729.48
  4. Step 4: Simplify right side
    3,190.36x = 8,279,764.44
  5. Step 5: Solve for x
    x = 8,279,764.44/3,190.36
  6. Step 6: Final answer
    x = 2,595.24

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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.