Home / 2,954.11-4,431.33-762.84

Finding the Fourth Proportional to 2,954.11, 4,431.33 and 762.84

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Solution

The fourth proportional to 2,954.11, 4,431.33 and 762.84 is: 1,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.11 : 4,431.33 = 762.84 : x
  2. Step 2: Convert to fraction form
    2,954.11/4,431.33 = 762.84/x
  3. Step 3: Cross multiply
    2,954.11x = 4,431.33 × 762.84
  4. Step 4: Simplify right side
    2,954.11x = 3,380,395.78
  5. Step 5: Solve for x
    x = 3,380,395.78/2,954.11
  6. Step 6: Final answer
    x = 1,144.30

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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.