Home / 3,698.08-5,105.21-2,355.03

Finding the Fourth Proportional to 3,698.08, 5,105.21 and 2,355.03

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Solution

The fourth proportional to 3,698.08, 5,105.21 and 2,355.03 is: 3,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.08 : 5,105.21 = 2,355.03 : x
  2. Step 2: Convert to fraction form
    3,698.08/5,105.21 = 2,355.03/x
  3. Step 3: Cross multiply
    3,698.08x = 5,105.21 × 2,355.03
  4. Step 4: Simplify right side
    3,698.08x = 12,022,910.93
  5. Step 5: Solve for x
    x = 12,022,910.93/3,698.08
  6. Step 6: Final answer
    x = 3,251.12

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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.