Home / 3,538.81-5,308.21-941.75

Finding the Fourth Proportional to 3,538.81, 5,308.21 and 941.75

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Solution

The fourth proportional to 3,538.81, 5,308.21 and 941.75 is: 1,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.81 : 5,308.21 = 941.75 : x
  2. Step 2: Convert to fraction form
    3,538.81/5,308.21 = 941.75/x
  3. Step 3: Cross multiply
    3,538.81x = 5,308.21 × 941.75
  4. Step 4: Simplify right side
    3,538.81x = 4,998,991.14
  5. Step 5: Solve for x
    x = 4,998,991.14/3,538.81
  6. Step 6: Final answer
    x = 1,412.62

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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.