Home / 3,631.36-5,447.75-1,165.99

Finding the Fourth Proportional to 3,631.36, 5,447.75 and 1,165.99

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Solution

The fourth proportional to 3,631.36, 5,447.75 and 1,165.99 is: 1,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.36 : 5,447.75 = 1,165.99 : x
  2. Step 2: Convert to fraction form
    3,631.36/5,447.75 = 1,165.99/x
  3. Step 3: Cross multiply
    3,631.36x = 5,447.75 × 1,165.99
  4. Step 4: Simplify right side
    3,631.36x = 6,352,016.19
  5. Step 5: Solve for x
    x = 6,352,016.19/3,631.36
  6. Step 6: Final answer
    x = 1,749.21

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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.