Home / 2,735.73-4,107.33-1,420.56

Finding the Fourth Proportional to 2,735.73, 4,107.33 and 1,420.56

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Solution

The fourth proportional to 2,735.73, 4,107.33 and 1,420.56 is: 2,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.73 : 4,107.33 = 1,420.56 : x
  2. Step 2: Convert to fraction form
    2,735.73/4,107.33 = 1,420.56/x
  3. Step 3: Cross multiply
    2,735.73x = 4,107.33 × 1,420.56
  4. Step 4: Simplify right side
    2,735.73x = 5,834,708.70
  5. Step 5: Solve for x
    x = 5,834,708.70/2,735.73
  6. Step 6: Final answer
    x = 2,132.78

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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.