Home / 3,684.45-5,084.05-2,191.82

Finding the Fourth Proportional to 3,684.45, 5,084.05 and 2,191.82

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Solution

The fourth proportional to 3,684.45, 5,084.05 and 2,191.82 is: 3,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.45 : 5,084.05 = 2,191.82 : x
  2. Step 2: Convert to fraction form
    3,684.45/5,084.05 = 2,191.82/x
  3. Step 3: Cross multiply
    3,684.45x = 5,084.05 × 2,191.82
  4. Step 4: Simplify right side
    3,684.45x = 11,143,322.47
  5. Step 5: Solve for x
    x = 11,143,322.47/3,684.45
  6. Step 6: Final answer
    x = 3,024.42

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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.