Home / 3,674.43-5,511.07-1,209.23

Finding the Fourth Proportional to 3,674.43, 5,511.07 and 1,209.23

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Solution

The fourth proportional to 3,674.43, 5,511.07 and 1,209.23 is: 1,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.43 : 5,511.07 = 1,209.23 : x
  2. Step 2: Convert to fraction form
    3,674.43/5,511.07 = 1,209.23/x
  3. Step 3: Cross multiply
    3,674.43x = 5,511.07 × 1,209.23
  4. Step 4: Simplify right side
    3,674.43x = 6,664,151.18
  5. Step 5: Solve for x
    x = 6,664,151.18/3,674.43
  6. Step 6: Final answer
    x = 1,813.66

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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.