Home / 3,646.35-5,469.48-1,181.11

Finding the Fourth Proportional to 3,646.35, 5,469.48 and 1,181.11

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Solution

The fourth proportional to 3,646.35, 5,469.48 and 1,181.11 is: 1,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.35 : 5,469.48 = 1,181.11 : x
  2. Step 2: Convert to fraction form
    3,646.35/5,469.48 = 1,181.11/x
  3. Step 3: Cross multiply
    3,646.35x = 5,469.48 × 1,181.11
  4. Step 4: Simplify right side
    3,646.35x = 6,460,057.52
  5. Step 5: Solve for x
    x = 6,460,057.52/3,646.35
  6. Step 6: Final answer
    x = 1,771.65

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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.