Home / 3,456.03-5,183.28-1,375.65

Finding the Fourth Proportional to 3,456.03, 5,183.28 and 1,375.65

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Solution

The fourth proportional to 3,456.03, 5,183.28 and 1,375.65 is: 2,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.03 : 5,183.28 = 1,375.65 : x
  2. Step 2: Convert to fraction form
    3,456.03/5,183.28 = 1,375.65/x
  3. Step 3: Cross multiply
    3,456.03x = 5,183.28 × 1,375.65
  4. Step 4: Simplify right side
    3,456.03x = 7,130,379.13
  5. Step 5: Solve for x
    x = 7,130,379.13/3,456.03
  6. Step 6: Final answer
    x = 2,063.17

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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.