Home / 3,887.34-5,361.28-2,823

Finding the Fourth Proportional to 3,887.34, 5,361.28 and 2,823

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Solution

The fourth proportional to 3,887.34, 5,361.28 and 2,823 is: 3,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.34 : 5,361.28 = 2,823 : x
  2. Step 2: Convert to fraction form
    3,887.34/5,361.28 = 2,823/x
  3. Step 3: Cross multiply
    3,887.34x = 5,361.28 × 2,823
  4. Step 4: Simplify right side
    3,887.34x = 15,134,893.44
  5. Step 5: Solve for x
    x = 15,134,893.44/3,887.34
  6. Step 6: Final answer
    x = 3,893.38

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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.