Home / 3,811.08-5,259.27-2,132.49

Finding the Fourth Proportional to 3,811.08, 5,259.27 and 2,132.49

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Solution

The fourth proportional to 3,811.08, 5,259.27 and 2,132.49 is: 2,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.08 : 5,259.27 = 2,132.49 : x
  2. Step 2: Convert to fraction form
    3,811.08/5,259.27 = 2,132.49/x
  3. Step 3: Cross multiply
    3,811.08x = 5,259.27 × 2,132.49
  4. Step 4: Simplify right side
    3,811.08x = 11,215,340.68
  5. Step 5: Solve for x
    x = 11,215,340.68/3,811.08
  6. Step 6: Final answer
    x = 2,942.82

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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.