Home / 2,785.56-3,845.82-1,792.57

Finding the Fourth Proportional to 2,785.56, 3,845.82 and 1,792.57

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Solution

The fourth proportional to 2,785.56, 3,845.82 and 1,792.57 is: 2,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.56 : 3,845.82 = 1,792.57 : x
  2. Step 2: Convert to fraction form
    2,785.56/3,845.82 = 1,792.57/x
  3. Step 3: Cross multiply
    2,785.56x = 3,845.82 × 1,792.57
  4. Step 4: Simplify right side
    2,785.56x = 6,893,882.33
  5. Step 5: Solve for x
    x = 6,893,882.33/2,785.56
  6. Step 6: Final answer
    x = 2,474.86

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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.