Home / 3,512.61-5,268.06-1,664.55

Finding the Fourth Proportional to 3,512.61, 5,268.06 and 1,664.55

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Solution

The fourth proportional to 3,512.61, 5,268.06 and 1,664.55 is: 2,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.61 : 5,268.06 = 1,664.55 : x
  2. Step 2: Convert to fraction form
    3,512.61/5,268.06 = 1,664.55/x
  3. Step 3: Cross multiply
    3,512.61x = 5,268.06 × 1,664.55
  4. Step 4: Simplify right side
    3,512.61x = 8,768,949.27
  5. Step 5: Solve for x
    x = 8,768,949.27/3,512.61
  6. Step 6: Final answer
    x = 2,496.42

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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.