Home / 3,489.33-5,231.55-1,297.47

Finding the Fourth Proportional to 3,489.33, 5,231.55 and 1,297.47

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Solution

The fourth proportional to 3,489.33, 5,231.55 and 1,297.47 is: 1,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.33 : 5,231.55 = 1,297.47 : x
  2. Step 2: Convert to fraction form
    3,489.33/5,231.55 = 1,297.47/x
  3. Step 3: Cross multiply
    3,489.33x = 5,231.55 × 1,297.47
  4. Step 4: Simplify right side
    3,489.33x = 6,787,779.18
  5. Step 5: Solve for x
    x = 6,787,779.18/3,489.33
  6. Step 6: Final answer
    x = 1,945.30

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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.