Home / 3,653.72-5,481.96-2,193.89

Finding the Fourth Proportional to 3,653.72, 5,481.96 and 2,193.89

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Solution

The fourth proportional to 3,653.72, 5,481.96 and 2,193.89 is: 3,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.72 : 5,481.96 = 2,193.89 : x
  2. Step 2: Convert to fraction form
    3,653.72/5,481.96 = 2,193.89/x
  3. Step 3: Cross multiply
    3,653.72x = 5,481.96 × 2,193.89
  4. Step 4: Simplify right side
    3,653.72x = 12,026,817.22
  5. Step 5: Solve for x
    x = 12,026,817.22/3,653.72
  6. Step 6: Final answer
    x = 3,291.66

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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.