Home / 3,228.32-4,842.50-1,378.48

Finding the Fourth Proportional to 3,228.32, 4,842.50 and 1,378.48

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Solution

The fourth proportional to 3,228.32, 4,842.50 and 1,378.48 is: 2,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.32 : 4,842.50 = 1,378.48 : x
  2. Step 2: Convert to fraction form
    3,228.32/4,842.50 = 1,378.48/x
  3. Step 3: Cross multiply
    3,228.32x = 4,842.50 × 1,378.48
  4. Step 4: Simplify right side
    3,228.32x = 6,675,277.29
  5. Step 5: Solve for x
    x = 6,675,277.29/3,228.32
  6. Step 6: Final answer
    x = 2,067.73

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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.