Home / 3,455.06-5,183.40-1,375.18

Finding the Fourth Proportional to 3,455.06, 5,183.40 and 1,375.18

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Solution

The fourth proportional to 3,455.06, 5,183.40 and 1,375.18 is: 2,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.06 : 5,183.40 = 1,375.18 : x
  2. Step 2: Convert to fraction form
    3,455.06/5,183.40 = 1,375.18/x
  3. Step 3: Cross multiply
    3,455.06x = 5,183.40 × 1,375.18
  4. Step 4: Simplify right side
    3,455.06x = 7,128,108.01
  5. Step 5: Solve for x
    x = 7,128,108.01/3,455.06
  6. Step 6: Final answer
    x = 2,063.09

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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.