Home / 2,766.72-3,817.26-1,647.10

Finding the Fourth Proportional to 2,766.72, 3,817.26 and 1,647.10

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Solution

The fourth proportional to 2,766.72, 3,817.26 and 1,647.10 is: 2,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.72 : 3,817.26 = 1,647.10 : x
  2. Step 2: Convert to fraction form
    2,766.72/3,817.26 = 1,647.10/x
  3. Step 3: Cross multiply
    2,766.72x = 3,817.26 × 1,647.10
  4. Step 4: Simplify right side
    2,766.72x = 6,287,408.95
  5. Step 5: Solve for x
    x = 6,287,408.95/2,766.72
  6. Step 6: Final answer
    x = 2,272.51

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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.