Home / 3,739.78-5,609.94-1,273.60

Finding the Fourth Proportional to 3,739.78, 5,609.94 and 1,273.60

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Solution

The fourth proportional to 3,739.78, 5,609.94 and 1,273.60 is: 1,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.78 : 5,609.94 = 1,273.60 : x
  2. Step 2: Convert to fraction form
    3,739.78/5,609.94 = 1,273.60/x
  3. Step 3: Cross multiply
    3,739.78x = 5,609.94 × 1,273.60
  4. Step 4: Simplify right side
    3,739.78x = 7,144,819.58
  5. Step 5: Solve for x
    x = 7,144,819.58/3,739.78
  6. Step 6: Final answer
    x = 1,910.49

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1.5x scale

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.