Home / 4,003.20-5,522.40-2,676.96

Finding the Fourth Proportional to 4,003.20, 5,522.40 and 2,676.96

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Solution

The fourth proportional to 4,003.20, 5,522.40 and 2,676.96 is: 3,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.20 : 5,522.40 = 2,676.96 : x
  2. Step 2: Convert to fraction form
    4,003.20/5,522.40 = 2,676.96/x
  3. Step 3: Cross multiply
    4,003.20x = 5,522.40 × 2,676.96
  4. Step 4: Simplify right side
    4,003.20x = 14,783,243.90
  5. Step 5: Solve for x
    x = 14,783,243.90/4,003.20
  6. Step 6: Final answer
    x = 3,692.86

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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.