Home / 3,374.91-5,065.60-1,644.75

Finding the Fourth Proportional to 3,374.91, 5,065.60 and 1,644.75

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Solution

The fourth proportional to 3,374.91, 5,065.60 and 1,644.75 is: 2,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.91 : 5,065.60 = 1,644.75 : x
  2. Step 2: Convert to fraction form
    3,374.91/5,065.60 = 1,644.75/x
  3. Step 3: Cross multiply
    3,374.91x = 5,065.60 × 1,644.75
  4. Step 4: Simplify right side
    3,374.91x = 8,331,645.60
  5. Step 5: Solve for x
    x = 8,331,645.60/3,374.91
  6. Step 6: Final answer
    x = 2,468.70

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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.