Home / 3,861.60-5,778.72-2,401.44

Finding the Fourth Proportional to 3,861.60, 5,778.72 and 2,401.44

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Solution

The fourth proportional to 3,861.60, 5,778.72 and 2,401.44 is: 3,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.60 : 5,778.72 = 2,401.44 : x
  2. Step 2: Convert to fraction form
    3,861.60/5,778.72 = 2,401.44/x
  3. Step 3: Cross multiply
    3,861.60x = 5,778.72 × 2,401.44
  4. Step 4: Simplify right side
    3,861.60x = 13,877,249.36
  5. Step 5: Solve for x
    x = 13,877,249.36/3,861.60
  6. Step 6: Final answer
    x = 3,593.65

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1.5x scale

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.