Home / 3,821.43-5,720.81-2,336.21

Finding the Fourth Proportional to 3,821.43, 5,720.81 and 2,336.21

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Solution

The fourth proportional to 3,821.43, 5,720.81 and 2,336.21 is: 3,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.43 : 5,720.81 = 2,336.21 : x
  2. Step 2: Convert to fraction form
    3,821.43/5,720.81 = 2,336.21/x
  3. Step 3: Cross multiply
    3,821.43x = 5,720.81 × 2,336.21
  4. Step 4: Simplify right side
    3,821.43x = 13,364,973.25
  5. Step 5: Solve for x
    x = 13,364,973.25/3,821.43
  6. Step 6: Final answer
    x = 3,497.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.