Home / 3,489.08-5,231.73-1,148.54

Finding the Fourth Proportional to 3,489.08, 5,231.73 and 1,148.54

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Solution

The fourth proportional to 3,489.08, 5,231.73 and 1,148.54 is: 1,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.08 : 5,231.73 = 1,148.54 : x
  2. Step 2: Convert to fraction form
    3,489.08/5,231.73 = 1,148.54/x
  3. Step 3: Cross multiply
    3,489.08x = 5,231.73 × 1,148.54
  4. Step 4: Simplify right side
    3,489.08x = 6,008,851.17
  5. Step 5: Solve for x
    x = 6,008,851.17/3,489.08
  6. Step 6: Final answer
    x = 1,722.19

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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.