Home / 3,640.21-5,457.04-1,450.44

Finding the Fourth Proportional to 3,640.21, 5,457.04 and 1,450.44

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Solution

The fourth proportional to 3,640.21, 5,457.04 and 1,450.44 is: 2,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.21 : 5,457.04 = 1,450.44 : x
  2. Step 2: Convert to fraction form
    3,640.21/5,457.04 = 1,450.44/x
  3. Step 3: Cross multiply
    3,640.21x = 5,457.04 × 1,450.44
  4. Step 4: Simplify right side
    3,640.21x = 7,915,105.47
  5. Step 5: Solve for x
    x = 7,915,105.47/3,640.21
  6. Step 6: Final answer
    x = 2,174.36

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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.