Home / 2,735.55-4,105.31-1,855.97

Finding the Fourth Proportional to 2,735.55, 4,105.31 and 1,855.97

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Solution

The fourth proportional to 2,735.55, 4,105.31 and 1,855.97 is: 2,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.55 : 4,105.31 = 1,855.97 : x
  2. Step 2: Convert to fraction form
    2,735.55/4,105.31 = 1,855.97/x
  3. Step 3: Cross multiply
    2,735.55x = 4,105.31 × 1,855.97
  4. Step 4: Simplify right side
    2,735.55x = 7,619,302.39
  5. Step 5: Solve for x
    x = 7,619,302.39/2,735.55
  6. Step 6: Final answer
    x = 2,785.29

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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.