Home / 3,884.22-5,821.47-1,936.98

Finding the Fourth Proportional to 3,884.22, 5,821.47 and 1,936.98

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Solution

The fourth proportional to 3,884.22, 5,821.47 and 1,936.98 is: 2,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.22 : 5,821.47 = 1,936.98 : x
  2. Step 2: Convert to fraction form
    3,884.22/5,821.47 = 1,936.98/x
  3. Step 3: Cross multiply
    3,884.22x = 5,821.47 × 1,936.98
  4. Step 4: Simplify right side
    3,884.22x = 11,276,070.96
  5. Step 5: Solve for x
    x = 11,276,070.96/3,884.22
  6. Step 6: Final answer
    x = 2,903.05

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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.