Home / 3,878.08-5,816.24-1,537.44

Finding the Fourth Proportional to 3,878.08, 5,816.24 and 1,537.44

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Solution

The fourth proportional to 3,878.08, 5,816.24 and 1,537.44 is: 2,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.08 : 5,816.24 = 1,537.44 : x
  2. Step 2: Convert to fraction form
    3,878.08/5,816.24 = 1,537.44/x
  3. Step 3: Cross multiply
    3,878.08x = 5,816.24 × 1,537.44
  4. Step 4: Simplify right side
    3,878.08x = 8,942,120.03
  5. Step 5: Solve for x
    x = 8,942,120.03/3,878.08
  6. Step 6: Final answer
    x = 2,305.81

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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.