Home / 3,963.21-5,945.73-2,113.35

Finding the Fourth Proportional to 3,963.21, 5,945.73 and 2,113.35

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Solution

The fourth proportional to 3,963.21, 5,945.73 and 2,113.35 is: 3,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.21 : 5,945.73 = 2,113.35 : x
  2. Step 2: Convert to fraction form
    3,963.21/5,945.73 = 2,113.35/x
  3. Step 3: Cross multiply
    3,963.21x = 5,945.73 × 2,113.35
  4. Step 4: Simplify right side
    3,963.21x = 12,565,408.50
  5. Step 5: Solve for x
    x = 12,565,408.50/3,963.21
  6. Step 6: Final answer
    x = 3,170.51

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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.