Home / 3,673.90-5,511.66-1,208.62

Finding the Fourth Proportional to 3,673.90, 5,511.66 and 1,208.62

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Solution

The fourth proportional to 3,673.90, 5,511.66 and 1,208.62 is: 1,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.90 : 5,511.66 = 1,208.62 : x
  2. Step 2: Convert to fraction form
    3,673.90/5,511.66 = 1,208.62/x
  3. Step 3: Cross multiply
    3,673.90x = 5,511.66 × 1,208.62
  4. Step 4: Simplify right side
    3,673.90x = 6,661,502.51
  5. Step 5: Solve for x
    x = 6,661,502.51/3,673.90
  6. Step 6: Final answer
    x = 1,813.20

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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.