Home / 3,496.60-5,240.58-2,105.56

Finding the Fourth Proportional to 3,496.60, 5,240.58 and 2,105.56

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Solution

The fourth proportional to 3,496.60, 5,240.58 and 2,105.56 is: 3,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,496.60 : 5,240.58 = 2,105.56 : x
  2. Step 2: Convert to fraction form
    3,496.60/5,240.58 = 2,105.56/x
  3. Step 3: Cross multiply
    3,496.60x = 5,240.58 × 2,105.56
  4. Step 4: Simplify right side
    3,496.60x = 11,034,355.62
  5. Step 5: Solve for x
    x = 11,034,355.62/3,496.60
  6. Step 6: Final answer
    x = 3,155.74

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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.