Home / 3,455.94-5,183.78-1,508.12

Finding the Fourth Proportional to 3,455.94, 5,183.78 and 1,508.12

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Solution

The fourth proportional to 3,455.94, 5,183.78 and 1,508.12 is: 2,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.94 : 5,183.78 = 1,508.12 : x
  2. Step 2: Convert to fraction form
    3,455.94/5,183.78 = 1,508.12/x
  3. Step 3: Cross multiply
    3,455.94x = 5,183.78 × 1,508.12
  4. Step 4: Simplify right side
    3,455.94x = 7,817,728.83
  5. Step 5: Solve for x
    x = 7,817,728.83/3,455.94
  6. Step 6: Final answer
    x = 2,262.11

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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.