Home / 3,816.45-5,725.49-1,183.90

Finding the Fourth Proportional to 3,816.45, 5,725.49 and 1,183.90

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Solution

The fourth proportional to 3,816.45, 5,725.49 and 1,183.90 is: 1,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.45 : 5,725.49 = 1,183.90 : x
  2. Step 2: Convert to fraction form
    3,816.45/5,725.49 = 1,183.90/x
  3. Step 3: Cross multiply
    3,816.45x = 5,725.49 × 1,183.90
  4. Step 4: Simplify right side
    3,816.45x = 6,778,376.02
  5. Step 5: Solve for x
    x = 6,778,376.02/3,816.45
  6. Step 6: Final answer
    x = 1,776.10

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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.