Home / 3,936.84-5,905.32-1,015.08

Finding the Fourth Proportional to 3,936.84, 5,905.32 and 1,015.08

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Solution

The fourth proportional to 3,936.84, 5,905.32 and 1,015.08 is: 1,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.84 : 5,905.32 = 1,015.08 : x
  2. Step 2: Convert to fraction form
    3,936.84/5,905.32 = 1,015.08/x
  3. Step 3: Cross multiply
    3,936.84x = 5,905.32 × 1,015.08
  4. Step 4: Simplify right side
    3,936.84x = 5,994,372.23
  5. Step 5: Solve for x
    x = 5,994,372.23/3,936.84
  6. Step 6: Final answer
    x = 1,522.64

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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.