Home / 3,764.62-5,647.35-1,299.65

Finding the Fourth Proportional to 3,764.62, 5,647.35 and 1,299.65

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Solution

The fourth proportional to 3,764.62, 5,647.35 and 1,299.65 is: 1,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.62 : 5,647.35 = 1,299.65 : x
  2. Step 2: Convert to fraction form
    3,764.62/5,647.35 = 1,299.65/x
  3. Step 3: Cross multiply
    3,764.62x = 5,647.35 × 1,299.65
  4. Step 4: Simplify right side
    3,764.62x = 7,339,578.43
  5. Step 5: Solve for x
    x = 7,339,578.43/3,764.62
  6. Step 6: Final answer
    x = 1,949.62

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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.