Home / 3,635.80-5,453.70-2,522.20

Finding the Fourth Proportional to 3,635.80, 5,453.70 and 2,522.20

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Solution

The fourth proportional to 3,635.80, 5,453.70 and 2,522.20 is: 3,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.80 : 5,453.70 = 2,522.20 : x
  2. Step 2: Convert to fraction form
    3,635.80/5,453.70 = 2,522.20/x
  3. Step 3: Cross multiply
    3,635.80x = 5,453.70 × 2,522.20
  4. Step 4: Simplify right side
    3,635.80x = 13,755,322.14
  5. Step 5: Solve for x
    x = 13,755,322.14/3,635.80
  6. Step 6: Final answer
    x = 3,783.30

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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.