Home / 2,288.75-3,158.36-1,293.97

Finding the Fourth Proportional to 2,288.75, 3,158.36 and 1,293.97

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Solution

The fourth proportional to 2,288.75, 3,158.36 and 1,293.97 is: 1,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.75 : 3,158.36 = 1,293.97 : x
  2. Step 2: Convert to fraction form
    2,288.75/3,158.36 = 1,293.97/x
  3. Step 3: Cross multiply
    2,288.75x = 3,158.36 × 1,293.97
  4. Step 4: Simplify right side
    2,288.75x = 4,086,818.43
  5. Step 5: Solve for x
    x = 4,086,818.43/2,288.75
  6. Step 6: Final answer
    x = 1,785.62

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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.