Home / 2,614.28-3,917.64-1,313.96

Finding the Fourth Proportional to 2,614.28, 3,917.64 and 1,313.96

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Solution

The fourth proportional to 2,614.28, 3,917.64 and 1,313.96 is: 1,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.28 : 3,917.64 = 1,313.96 : x
  2. Step 2: Convert to fraction form
    2,614.28/3,917.64 = 1,313.96/x
  3. Step 3: Cross multiply
    2,614.28x = 3,917.64 × 1,313.96
  4. Step 4: Simplify right side
    2,614.28x = 5,147,622.25
  5. Step 5: Solve for x
    x = 5,147,622.25/2,614.28
  6. Step 6: Final answer
    x = 1,969.04

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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.