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Finding the Fourth Proportional to 3,378.76, 5,067.06 and 1,736.20

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Solution

The fourth proportional to 3,378.76, 5,067.06 and 1,736.20 is: 2,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.76 : 5,067.06 = 1,736.20 : x
  2. Step 2: Convert to fraction form
    3,378.76/5,067.06 = 1,736.20/x
  3. Step 3: Cross multiply
    3,378.76x = 5,067.06 × 1,736.20
  4. Step 4: Simplify right side
    3,378.76x = 8,797,429.57
  5. Step 5: Solve for x
    x = 8,797,429.57/3,378.76
  6. Step 6: Final answer
    x = 2,603.75

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1.5x scale

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.