Home / 3,816.48-5,727-2,175.36

Finding the Fourth Proportional to 3,816.48, 5,727 and 2,175.36

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Solution

The fourth proportional to 3,816.48, 5,727 and 2,175.36 is: 3,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.48 : 5,727 = 2,175.36 : x
  2. Step 2: Convert to fraction form
    3,816.48/5,727 = 2,175.36/x
  3. Step 3: Cross multiply
    3,816.48x = 5,727 × 2,175.36
  4. Step 4: Simplify right side
    3,816.48x = 12,458,286.72
  5. Step 5: Solve for x
    x = 12,458,286.72/3,816.48
  6. Step 6: Final answer
    x = 3,264.34

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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.