Home / 3,982.94-5,506.08-3,650.84

Finding the Fourth Proportional to 3,982.94, 5,506.08 and 3,650.84

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Solution

The fourth proportional to 3,982.94, 5,506.08 and 3,650.84 is: 5,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.94 : 5,506.08 = 3,650.84 : x
  2. Step 2: Convert to fraction form
    3,982.94/5,506.08 = 3,650.84/x
  3. Step 3: Cross multiply
    3,982.94x = 5,506.08 × 3,650.84
  4. Step 4: Simplify right side
    3,982.94x = 20,101,817.11
  5. Step 5: Solve for x
    x = 20,101,817.11/3,982.94
  6. Step 6: Final answer
    x = 5,046.98

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1.5x scale

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.