Home / 3,228.07-4,842.13-1,378.23

Finding the Fourth Proportional to 3,228.07, 4,842.13 and 1,378.23

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Solution

The fourth proportional to 3,228.07, 4,842.13 and 1,378.23 is: 2,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.07 : 4,842.13 = 1,378.23 : x
  2. Step 2: Convert to fraction form
    3,228.07/4,842.13 = 1,378.23/x
  3. Step 3: Cross multiply
    3,228.07x = 4,842.13 × 1,378.23
  4. Step 4: Simplify right side
    3,228.07x = 6,673,561.94
  5. Step 5: Solve for x
    x = 6,673,561.94/3,228.07
  6. Step 6: Final answer
    x = 2,067.36

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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.