Home / 3,450.33-5,172.45-2,571.72

Finding the Fourth Proportional to 3,450.33, 5,172.45 and 2,571.72

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Solution

The fourth proportional to 3,450.33, 5,172.45 and 2,571.72 is: 3,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.33 : 5,172.45 = 2,571.72 : x
  2. Step 2: Convert to fraction form
    3,450.33/5,172.45 = 2,571.72/x
  3. Step 3: Cross multiply
    3,450.33x = 5,172.45 × 2,571.72
  4. Step 4: Simplify right side
    3,450.33x = 13,302,093.11
  5. Step 5: Solve for x
    x = 13,302,093.11/3,450.33
  6. Step 6: Final answer
    x = 3,855.31

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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.