Home / 3,816.63-5,723.73-1,218.96

Finding the Fourth Proportional to 3,816.63, 5,723.73 and 1,218.96

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Solution

The fourth proportional to 3,816.63, 5,723.73 and 1,218.96 is: 1,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.63 : 5,723.73 = 1,218.96 : x
  2. Step 2: Convert to fraction form
    3,816.63/5,723.73 = 1,218.96/x
  3. Step 3: Cross multiply
    3,816.63x = 5,723.73 × 1,218.96
  4. Step 4: Simplify right side
    3,816.63x = 6,976,997.92
  5. Step 5: Solve for x
    x = 6,976,997.92/3,816.63
  6. Step 6: Final answer
    x = 1,828.05

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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.