Home / 3,661.25-5,489.26-1,712.39

Finding the Fourth Proportional to 3,661.25, 5,489.26 and 1,712.39

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Solution

The fourth proportional to 3,661.25, 5,489.26 and 1,712.39 is: 2,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.25 : 5,489.26 = 1,712.39 : x
  2. Step 2: Convert to fraction form
    3,661.25/5,489.26 = 1,712.39/x
  3. Step 3: Cross multiply
    3,661.25x = 5,489.26 × 1,712.39
  4. Step 4: Simplify right side
    3,661.25x = 9,399,722.20
  5. Step 5: Solve for x
    x = 9,399,722.20/3,661.25
  6. Step 6: Final answer
    x = 2,567.36

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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.