Home / 3,489.66-4,812.42-2,292.54

Finding the Fourth Proportional to 3,489.66, 4,812.42 and 2,292.54

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Solution

The fourth proportional to 3,489.66, 4,812.42 and 2,292.54 is: 3,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.66 : 4,812.42 = 2,292.54 : x
  2. Step 2: Convert to fraction form
    3,489.66/4,812.42 = 2,292.54/x
  3. Step 3: Cross multiply
    3,489.66x = 4,812.42 × 2,292.54
  4. Step 4: Simplify right side
    3,489.66x = 11,032,665.35
  5. Step 5: Solve for x
    x = 11,032,665.35/3,489.66
  6. Step 6: Final answer
    x = 3,161.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.