Home / 3,977.94-5,489.81-2,299.43

Finding the Fourth Proportional to 3,977.94, 5,489.81 and 2,299.43

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Solution

The fourth proportional to 3,977.94, 5,489.81 and 2,299.43 is: 3,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.94 : 5,489.81 = 2,299.43 : x
  2. Step 2: Convert to fraction form
    3,977.94/5,489.81 = 2,299.43/x
  3. Step 3: Cross multiply
    3,977.94x = 5,489.81 × 2,299.43
  4. Step 4: Simplify right side
    3,977.94x = 12,623,394.86
  5. Step 5: Solve for x
    x = 12,623,394.86/3,977.94
  6. Step 6: Final answer
    x = 3,173.35

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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.