Home / 3,635.50-5,453.43-1,170.13

Finding the Fourth Proportional to 3,635.50, 5,453.43 and 1,170.13

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Solution

The fourth proportional to 3,635.50, 5,453.43 and 1,170.13 is: 1,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.50 : 5,453.43 = 1,170.13 : x
  2. Step 2: Convert to fraction form
    3,635.50/5,453.43 = 1,170.13/x
  3. Step 3: Cross multiply
    3,635.50x = 5,453.43 × 1,170.13
  4. Step 4: Simplify right side
    3,635.50x = 6,381,222.05
  5. Step 5: Solve for x
    x = 6,381,222.05/3,635.50
  6. Step 6: Final answer
    x = 1,755.25

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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.