Home / 2,755.11-4,133.12-1,368.49

Finding the Fourth Proportional to 2,755.11, 4,133.12 and 1,368.49

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Solution

The fourth proportional to 2,755.11, 4,133.12 and 1,368.49 is: 2,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.11 : 4,133.12 = 1,368.49 : x
  2. Step 2: Convert to fraction form
    2,755.11/4,133.12 = 1,368.49/x
  3. Step 3: Cross multiply
    2,755.11x = 4,133.12 × 1,368.49
  4. Step 4: Simplify right side
    2,755.11x = 5,656,126.55
  5. Step 5: Solve for x
    x = 5,656,126.55/2,755.11
  6. Step 6: Final answer
    x = 2,052.96

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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.