Home / 3,814.08-5,723.52-1,218.96

Finding the Fourth Proportional to 3,814.08, 5,723.52 and 1,218.96

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Solution

The fourth proportional to 3,814.08, 5,723.52 and 1,218.96 is: 1,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.08 : 5,723.52 = 1,218.96 : x
  2. Step 2: Convert to fraction form
    3,814.08/5,723.52 = 1,218.96/x
  3. Step 3: Cross multiply
    3,814.08x = 5,723.52 × 1,218.96
  4. Step 4: Simplify right side
    3,814.08x = 6,976,741.94
  5. Step 5: Solve for x
    x = 6,976,741.94/3,814.08
  6. Step 6: Final answer
    x = 1,829.21

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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.