Home / 3,209.37-4,422.51-2,705.27

Finding the Fourth Proportional to 3,209.37, 4,422.51 and 2,705.27

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Solution

The fourth proportional to 3,209.37, 4,422.51 and 2,705.27 is: 3,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.37 : 4,422.51 = 2,705.27 : x
  2. Step 2: Convert to fraction form
    3,209.37/4,422.51 = 2,705.27/x
  3. Step 3: Cross multiply
    3,209.37x = 4,422.51 × 2,705.27
  4. Step 4: Simplify right side
    3,209.37x = 11,964,061.52
  5. Step 5: Solve for x
    x = 11,964,061.52/3,209.37
  6. Step 6: Final answer
    x = 3,727.85

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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.