Home / 2,735.28-4,102.20-1,273.68

Finding the Fourth Proportional to 2,735.28, 4,102.20 and 1,273.68

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Solution

The fourth proportional to 2,735.28, 4,102.20 and 1,273.68 is: 1,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.28 : 4,102.20 = 1,273.68 : x
  2. Step 2: Convert to fraction form
    2,735.28/4,102.20 = 1,273.68/x
  3. Step 3: Cross multiply
    2,735.28x = 4,102.20 × 1,273.68
  4. Step 4: Simplify right side
    2,735.28x = 5,224,890.10
  5. Step 5: Solve for x
    x = 5,224,890.10/2,735.28
  6. Step 6: Final answer
    x = 1,910.18

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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.