Home / 3,635.70-5,453.55-2,174.10

Finding the Fourth Proportional to 3,635.70, 5,453.55 and 2,174.10

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Solution

The fourth proportional to 3,635.70, 5,453.55 and 2,174.10 is: 3,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.70 : 5,453.55 = 2,174.10 : x
  2. Step 2: Convert to fraction form
    3,635.70/5,453.55 = 2,174.10/x
  3. Step 3: Cross multiply
    3,635.70x = 5,453.55 × 2,174.10
  4. Step 4: Simplify right side
    3,635.70x = 11,856,563.06
  5. Step 5: Solve for x
    x = 11,856,563.06/3,635.70
  6. Step 6: Final answer
    x = 3,261.15

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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.