Home / 3,541.28-5,311.94-1,076.12

Finding the Fourth Proportional to 3,541.28, 5,311.94 and 1,076.12

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Solution

The fourth proportional to 3,541.28, 5,311.94 and 1,076.12 is: 1,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.28 : 5,311.94 = 1,076.12 : x
  2. Step 2: Convert to fraction form
    3,541.28/5,311.94 = 1,076.12/x
  3. Step 3: Cross multiply
    3,541.28x = 5,311.94 × 1,076.12
  4. Step 4: Simplify right side
    3,541.28x = 5,716,284.87
  5. Step 5: Solve for x
    x = 5,716,284.87/3,541.28
  6. Step 6: Final answer
    x = 1,614.19

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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.