Home / 3,739.30-5,609.43-1,273.46

Finding the Fourth Proportional to 3,739.30, 5,609.43 and 1,273.46

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Solution

The fourth proportional to 3,739.30, 5,609.43 and 1,273.46 is: 1,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.30 : 5,609.43 = 1,273.46 : x
  2. Step 2: Convert to fraction form
    3,739.30/5,609.43 = 1,273.46/x
  3. Step 3: Cross multiply
    3,739.30x = 5,609.43 × 1,273.46
  4. Step 4: Simplify right side
    3,739.30x = 7,143,356.68
  5. Step 5: Solve for x
    x = 7,143,356.68/3,739.30
  6. Step 6: Final answer
    x = 1,910.35

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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.