Home / 2,735.28-4,102.88-1,273.60

Finding the Fourth Proportional to 2,735.28, 4,102.88 and 1,273.60

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Solution

The fourth proportional to 2,735.28, 4,102.88 and 1,273.60 is: 1,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.28 : 4,102.88 = 1,273.60 : x
  2. Step 2: Convert to fraction form
    2,735.28/4,102.88 = 1,273.60/x
  3. Step 3: Cross multiply
    2,735.28x = 4,102.88 × 1,273.60
  4. Step 4: Simplify right side
    2,735.28x = 5,225,427.97
  5. Step 5: Solve for x
    x = 5,225,427.97/2,735.28
  6. Step 6: Final answer
    x = 1,910.38

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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.