Home / 3,454.43-5,183.06-1,812.05

Finding the Fourth Proportional to 3,454.43, 5,183.06 and 1,812.05

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Solution

The fourth proportional to 3,454.43, 5,183.06 and 1,812.05 is: 2,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.43 : 5,183.06 = 1,812.05 : x
  2. Step 2: Convert to fraction form
    3,454.43/5,183.06 = 1,812.05/x
  3. Step 3: Cross multiply
    3,454.43x = 5,183.06 × 1,812.05
  4. Step 4: Simplify right side
    3,454.43x = 9,391,954.81
  5. Step 5: Solve for x
    x = 9,391,954.81/3,454.43
  6. Step 6: Final answer
    x = 2,718.81

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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.