Home / 2,625-3,938.11-1,893.27

Finding the Fourth Proportional to 2,625, 3,938.11 and 1,893.27

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Solution

The fourth proportional to 2,625, 3,938.11 and 1,893.27 is: 2,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625 : 3,938.11 = 1,893.27 : x
  2. Step 2: Convert to fraction form
    2,625/3,938.11 = 1,893.27/x
  3. Step 3: Cross multiply
    2,625x = 3,938.11 × 1,893.27
  4. Step 4: Simplify right side
    2,625x = 7,455,905.52
  5. Step 5: Solve for x
    x = 7,455,905.52/2,625
  6. Step 6: Final answer
    x = 2,840.34

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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.