Home / 3,813.21-5,719.81-2,505.23

Finding the Fourth Proportional to 3,813.21, 5,719.81 and 2,505.23

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Solution

The fourth proportional to 3,813.21, 5,719.81 and 2,505.23 is: 3,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.21 : 5,719.81 = 2,505.23 : x
  2. Step 2: Convert to fraction form
    3,813.21/5,719.81 = 2,505.23/x
  3. Step 3: Cross multiply
    3,813.21x = 5,719.81 × 2,505.23
  4. Step 4: Simplify right side
    3,813.21x = 14,329,404.74
  5. Step 5: Solve for x
    x = 14,329,404.74/3,813.21
  6. Step 6: Final answer
    x = 3,757.83

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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.