Home / 3,673.85-5,511.57-1,208.54

Finding the Fourth Proportional to 3,673.85, 5,511.57 and 1,208.54

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Solution

The fourth proportional to 3,673.85, 5,511.57 and 1,208.54 is: 1,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.85 : 5,511.57 = 1,208.54 : x
  2. Step 2: Convert to fraction form
    3,673.85/5,511.57 = 1,208.54/x
  3. Step 3: Cross multiply
    3,673.85x = 5,511.57 × 1,208.54
  4. Step 4: Simplify right side
    3,673.85x = 6,660,962.05
  5. Step 5: Solve for x
    x = 6,660,962.05/3,673.85
  6. Step 6: Final answer
    x = 1,813.08

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1.5x scale

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.