Home / 3,811.14-5,259.90-2,132.62

Finding the Fourth Proportional to 3,811.14, 5,259.90 and 2,132.62

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Solution

The fourth proportional to 3,811.14, 5,259.90 and 2,132.62 is: 2,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.14 : 5,259.90 = 2,132.62 : x
  2. Step 2: Convert to fraction form
    3,811.14/5,259.90 = 2,132.62/x
  3. Step 3: Cross multiply
    3,811.14x = 5,259.90 × 2,132.62
  4. Step 4: Simplify right side
    3,811.14x = 11,217,367.94
  5. Step 5: Solve for x
    x = 11,217,367.94/3,811.14
  6. Step 6: Final answer
    x = 2,943.31

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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.