Home / 3,228.95-4,447.14-2,786.69

Finding the Fourth Proportional to 3,228.95, 4,447.14 and 2,786.69

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Solution

The fourth proportional to 3,228.95, 4,447.14 and 2,786.69 is: 3,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.95 : 4,447.14 = 2,786.69 : x
  2. Step 2: Convert to fraction form
    3,228.95/4,447.14 = 2,786.69/x
  3. Step 3: Cross multiply
    3,228.95x = 4,447.14 × 2,786.69
  4. Step 4: Simplify right side
    3,228.95x = 12,392,778.33
  5. Step 5: Solve for x
    x = 12,392,778.33/3,228.95
  6. Step 6: Final answer
    x = 3,838.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.