Home / 2,134.29-2,945.43-1,202.79

Finding the Fourth Proportional to 2,134.29, 2,945.43 and 1,202.79

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Solution

The fourth proportional to 2,134.29, 2,945.43 and 1,202.79 is: 1,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.29 : 2,945.43 = 1,202.79 : x
  2. Step 2: Convert to fraction form
    2,134.29/2,945.43 = 1,202.79/x
  3. Step 3: Cross multiply
    2,134.29x = 2,945.43 × 1,202.79
  4. Step 4: Simplify right side
    2,134.29x = 3,542,733.75
  5. Step 5: Solve for x
    x = 3,542,733.75/2,134.29
  6. Step 6: Final answer
    x = 1,659.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.