Home / 3,378.62-5,066.90-1,734.95

Finding the Fourth Proportional to 3,378.62, 5,066.90 and 1,734.95

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Solution

The fourth proportional to 3,378.62, 5,066.90 and 1,734.95 is: 2,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.62 : 5,066.90 = 1,734.95 : x
  2. Step 2: Convert to fraction form
    3,378.62/5,066.90 = 1,734.95/x
  3. Step 3: Cross multiply
    3,378.62x = 5,066.90 × 1,734.95
  4. Step 4: Simplify right side
    3,378.62x = 8,790,784.15
  5. Step 5: Solve for x
    x = 8,790,784.15/3,378.62
  6. Step 6: Final answer
    x = 2,601.89

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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.