Home / 3,811.14-5,259.33-2,217.87

Finding the Fourth Proportional to 3,811.14, 5,259.33 and 2,217.87

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Solution

The fourth proportional to 3,811.14, 5,259.33 and 2,217.87 is: 3,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.14 : 5,259.33 = 2,217.87 : x
  2. Step 2: Convert to fraction form
    3,811.14/5,259.33 = 2,217.87/x
  3. Step 3: Cross multiply
    3,811.14x = 5,259.33 × 2,217.87
  4. Step 4: Simplify right side
    3,811.14x = 11,664,510.23
  5. Step 5: Solve for x
    x = 11,664,510.23/3,811.14
  6. Step 6: Final answer
    x = 3,060.64

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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.