Home / 3,635.12-5,453.55-1,170.17

Finding the Fourth Proportional to 3,635.12, 5,453.55 and 1,170.17

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Solution

The fourth proportional to 3,635.12, 5,453.55 and 1,170.17 is: 1,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.12 : 5,453.55 = 1,170.17 : x
  2. Step 2: Convert to fraction form
    3,635.12/5,453.55 = 1,170.17/x
  3. Step 3: Cross multiply
    3,635.12x = 5,453.55 × 1,170.17
  4. Step 4: Simplify right side
    3,635.12x = 6,381,580.60
  5. Step 5: Solve for x
    x = 6,381,580.60/3,635.12
  6. Step 6: Final answer
    x = 1,755.54

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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.