Home / 3,612.56-5,418.04-1,015.44

Finding the Fourth Proportional to 3,612.56, 5,418.04 and 1,015.44

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Solution

The fourth proportional to 3,612.56, 5,418.04 and 1,015.44 is: 1,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.56 : 5,418.04 = 1,015.44 : x
  2. Step 2: Convert to fraction form
    3,612.56/5,418.04 = 1,015.44/x
  3. Step 3: Cross multiply
    3,612.56x = 5,418.04 × 1,015.44
  4. Step 4: Simplify right side
    3,612.56x = 5,501,694.54
  5. Step 5: Solve for x
    x = 5,501,694.54/3,612.56
  6. Step 6: Final answer
    x = 1,522.94

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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.