Home / 3,815.45-5,265.23-2,243.64

Finding the Fourth Proportional to 3,815.45, 5,265.23 and 2,243.64

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Solution

The fourth proportional to 3,815.45, 5,265.23 and 2,243.64 is: 3,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.45 : 5,265.23 = 2,243.64 : x
  2. Step 2: Convert to fraction form
    3,815.45/5,265.23 = 2,243.64/x
  3. Step 3: Cross multiply
    3,815.45x = 5,265.23 × 2,243.64
  4. Step 4: Simplify right side
    3,815.45x = 11,813,269.42
  5. Step 5: Solve for x
    x = 11,813,269.42/3,815.45
  6. Step 6: Final answer
    x = 3,096.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.