Home / 2,755.76-4,125.94-2,104.52

Finding the Fourth Proportional to 2,755.76, 4,125.94 and 2,104.52

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Solution

The fourth proportional to 2,755.76, 4,125.94 and 2,104.52 is: 3,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.76 : 4,125.94 = 2,104.52 : x
  2. Step 2: Convert to fraction form
    2,755.76/4,125.94 = 2,104.52/x
  3. Step 3: Cross multiply
    2,755.76x = 4,125.94 × 2,104.52
  4. Step 4: Simplify right side
    2,755.76x = 8,683,097.36
  5. Step 5: Solve for x
    x = 8,683,097.36/2,755.76
  6. Step 6: Final answer
    x = 3,150.90

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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.