Home / 3,612.16-5,418.32-1,015.04

Finding the Fourth Proportional to 3,612.16, 5,418.32 and 1,015.04

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Solution

The fourth proportional to 3,612.16, 5,418.32 and 1,015.04 is: 1,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.16 : 5,418.32 = 1,015.04 : x
  2. Step 2: Convert to fraction form
    3,612.16/5,418.32 = 1,015.04/x
  3. Step 3: Cross multiply
    3,612.16x = 5,418.32 × 1,015.04
  4. Step 4: Simplify right side
    3,612.16x = 5,499,811.53
  5. Step 5: Solve for x
    x = 5,499,811.53/3,612.16
  6. Step 6: Final answer
    x = 1,522.58

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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.