Home / 3,692.27-5,083.87-3,220.19

Finding the Fourth Proportional to 3,692.27, 5,083.87 and 3,220.19

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Solution

The fourth proportional to 3,692.27, 5,083.87 and 3,220.19 is: 4,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.27 : 5,083.87 = 3,220.19 : x
  2. Step 2: Convert to fraction form
    3,692.27/5,083.87 = 3,220.19/x
  3. Step 3: Cross multiply
    3,692.27x = 5,083.87 × 3,220.19
  4. Step 4: Simplify right side
    3,692.27x = 16,371,027.34
  5. Step 5: Solve for x
    x = 16,371,027.34/3,692.27
  6. Step 6: Final answer
    x = 4,433.87

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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.