Home / 3,455.04-5,183.48-1,811.15

Finding the Fourth Proportional to 3,455.04, 5,183.48 and 1,811.15

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Solution

The fourth proportional to 3,455.04, 5,183.48 and 1,811.15 is: 2,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.04 : 5,183.48 = 1,811.15 : x
  2. Step 2: Convert to fraction form
    3,455.04/5,183.48 = 1,811.15/x
  3. Step 3: Cross multiply
    3,455.04x = 5,183.48 × 1,811.15
  4. Step 4: Simplify right side
    3,455.04x = 9,388,059.80
  5. Step 5: Solve for x
    x = 9,388,059.80/3,455.04
  6. Step 6: Final answer
    x = 2,717.21

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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.