Home / 2,755.67-4,133.96-1,369.05

Finding the Fourth Proportional to 2,755.67, 4,133.96 and 1,369.05

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Solution

The fourth proportional to 2,755.67, 4,133.96 and 1,369.05 is: 2,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.67 : 4,133.96 = 1,369.05 : x
  2. Step 2: Convert to fraction form
    2,755.67/4,133.96 = 1,369.05/x
  3. Step 3: Cross multiply
    2,755.67x = 4,133.96 × 1,369.05
  4. Step 4: Simplify right side
    2,755.67x = 5,659,597.94
  5. Step 5: Solve for x
    x = 5,659,597.94/2,755.67
  6. Step 6: Final answer
    x = 2,053.80

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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.