Home / 3,612.96-5,419.36-1,015.92

Finding the Fourth Proportional to 3,612.96, 5,419.36 and 1,015.92

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Solution

The fourth proportional to 3,612.96, 5,419.36 and 1,015.92 is: 1,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.96 : 5,419.36 = 1,015.92 : x
  2. Step 2: Convert to fraction form
    3,612.96/5,419.36 = 1,015.92/x
  3. Step 3: Cross multiply
    3,612.96x = 5,419.36 × 1,015.92
  4. Step 4: Simplify right side
    3,612.96x = 5,505,636.21
  5. Step 5: Solve for x
    x = 5,505,636.21/3,612.96
  6. Step 6: Final answer
    x = 1,523.86

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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.