Home / 3,378.31-5,067.46-1,529.08

Finding the Fourth Proportional to 3,378.31, 5,067.46 and 1,529.08

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Solution

The fourth proportional to 3,378.31, 5,067.46 and 1,529.08 is: 2,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.31 : 5,067.46 = 1,529.08 : x
  2. Step 2: Convert to fraction form
    3,378.31/5,067.46 = 1,529.08/x
  3. Step 3: Cross multiply
    3,378.31x = 5,067.46 × 1,529.08
  4. Step 4: Simplify right side
    3,378.31x = 7,748,540.98
  5. Step 5: Solve for x
    x = 7,748,540.98/3,378.31
  6. Step 6: Final answer
    x = 2,293.62

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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.