Home / 3,635.91-5,453.58-1,170.09

Finding the Fourth Proportional to 3,635.91, 5,453.58 and 1,170.09

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Solution

The fourth proportional to 3,635.91, 5,453.58 and 1,170.09 is: 1,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.91 : 5,453.58 = 1,170.09 : x
  2. Step 2: Convert to fraction form
    3,635.91/5,453.58 = 1,170.09/x
  3. Step 3: Cross multiply
    3,635.91x = 5,453.58 × 1,170.09
  4. Step 4: Simplify right side
    3,635.91x = 6,381,179.42
  5. Step 5: Solve for x
    x = 6,381,179.42/3,635.91
  6. Step 6: Final answer
    x = 1,755.04

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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.