Home / 3,612.42-5,418.60-1,015.26

Finding the Fourth Proportional to 3,612.42, 5,418.60 and 1,015.26

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Solution

The fourth proportional to 3,612.42, 5,418.60 and 1,015.26 is: 1,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.42 : 5,418.60 = 1,015.26 : x
  2. Step 2: Convert to fraction form
    3,612.42/5,418.60 = 1,015.26/x
  3. Step 3: Cross multiply
    3,612.42x = 5,418.60 × 1,015.26
  4. Step 4: Simplify right side
    3,612.42x = 5,501,287.84
  5. Step 5: Solve for x
    x = 5,501,287.84/3,612.42
  6. Step 6: Final answer
    x = 1,522.88

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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.