Home / 3,414.45-5,122.90-1,335.95

Finding the Fourth Proportional to 3,414.45, 5,122.90 and 1,335.95

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Solution

The fourth proportional to 3,414.45, 5,122.90 and 1,335.95 is: 2,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.45 : 5,122.90 = 1,335.95 : x
  2. Step 2: Convert to fraction form
    3,414.45/5,122.90 = 1,335.95/x
  3. Step 3: Cross multiply
    3,414.45x = 5,122.90 × 1,335.95
  4. Step 4: Simplify right side
    3,414.45x = 6,843,905.96
  5. Step 5: Solve for x
    x = 6,843,905.96/3,414.45
  6. Step 6: Final answer
    x = 2,004.39

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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.