Home / 3,172.46-4,758.78-2,450.84

Finding the Fourth Proportional to 3,172.46, 4,758.78 and 2,450.84

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Solution

The fourth proportional to 3,172.46, 4,758.78 and 2,450.84 is: 3,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.46 : 4,758.78 = 2,450.84 : x
  2. Step 2: Convert to fraction form
    3,172.46/4,758.78 = 2,450.84/x
  3. Step 3: Cross multiply
    3,172.46x = 4,758.78 × 2,450.84
  4. Step 4: Simplify right side
    3,172.46x = 11,663,008.38
  5. Step 5: Solve for x
    x = 11,663,008.38/3,172.46
  6. Step 6: Final answer
    x = 3,676.33

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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.