Home / 3,065.37-4,228.97-2,002.78

Finding the Fourth Proportional to 3,065.37, 4,228.97 and 2,002.78

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Solution

The fourth proportional to 3,065.37, 4,228.97 and 2,002.78 is: 2,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.37 : 4,228.97 = 2,002.78 : x
  2. Step 2: Convert to fraction form
    3,065.37/4,228.97 = 2,002.78/x
  3. Step 3: Cross multiply
    3,065.37x = 4,228.97 × 2,002.78
  4. Step 4: Simplify right side
    3,065.37x = 8,469,686.52
  5. Step 5: Solve for x
    x = 8,469,686.52/3,065.37
  6. Step 6: Final answer
    x = 2,763.03

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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.