Home / 3,609.27-5,409.55-1,757.61

Finding the Fourth Proportional to 3,609.27, 5,409.55 and 1,757.61

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Solution

The fourth proportional to 3,609.27, 5,409.55 and 1,757.61 is: 2,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.27 : 5,409.55 = 1,757.61 : x
  2. Step 2: Convert to fraction form
    3,609.27/5,409.55 = 1,757.61/x
  3. Step 3: Cross multiply
    3,609.27x = 5,409.55 × 1,757.61
  4. Step 4: Simplify right side
    3,609.27x = 9,507,879.18
  5. Step 5: Solve for x
    x = 9,507,879.18/3,609.27
  6. Step 6: Final answer
    x = 2,634.29

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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.