Home / 3,106.20-4,293.36-2,730.36

Finding the Fourth Proportional to 3,106.20, 4,293.36 and 2,730.36

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Solution

The fourth proportional to 3,106.20, 4,293.36 and 2,730.36 is: 3,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.20 : 4,293.36 = 2,730.36 : x
  2. Step 2: Convert to fraction form
    3,106.20/4,293.36 = 2,730.36/x
  3. Step 3: Cross multiply
    3,106.20x = 4,293.36 × 2,730.36
  4. Step 4: Simplify right side
    3,106.20x = 11,722,418.41
  5. Step 5: Solve for x
    x = 11,722,418.41/3,106.20
  6. Step 6: Final answer
    x = 3,773.88

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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.