Home / 3,673.83-5,511.57-1,208.55

Finding the Fourth Proportional to 3,673.83, 5,511.57 and 1,208.55

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Solution

The fourth proportional to 3,673.83, 5,511.57 and 1,208.55 is: 1,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.83 : 5,511.57 = 1,208.55 : x
  2. Step 2: Convert to fraction form
    3,673.83/5,511.57 = 1,208.55/x
  3. Step 3: Cross multiply
    3,673.83x = 5,511.57 × 1,208.55
  4. Step 4: Simplify right side
    3,673.83x = 6,661,024.06
  5. Step 5: Solve for x
    x = 6,661,024.06/3,673.83
  6. Step 6: Final answer
    x = 1,813.10

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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.