Home / 3,523.60-5,280.54-2,656.96

Finding the Fourth Proportional to 3,523.60, 5,280.54 and 2,656.96

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Solution

The fourth proportional to 3,523.60, 5,280.54 and 2,656.96 is: 3,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.60 : 5,280.54 = 2,656.96 : x
  2. Step 2: Convert to fraction form
    3,523.60/5,280.54 = 2,656.96/x
  3. Step 3: Cross multiply
    3,523.60x = 5,280.54 × 2,656.96
  4. Step 4: Simplify right side
    3,523.60x = 14,030,183.56
  5. Step 5: Solve for x
    x = 14,030,183.56/3,523.60
  6. Step 6: Final answer
    x = 3,981.78

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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.