Home / 3,448.28-5,172.62-982.91

Finding the Fourth Proportional to 3,448.28, 5,172.62 and 982.91

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Solution

The fourth proportional to 3,448.28, 5,172.62 and 982.91 is: 1,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.28 : 5,172.62 = 982.91 : x
  2. Step 2: Convert to fraction form
    3,448.28/5,172.62 = 982.91/x
  3. Step 3: Cross multiply
    3,448.28x = 5,172.62 × 982.91
  4. Step 4: Simplify right side
    3,448.28x = 5,084,216.16
  5. Step 5: Solve for x
    x = 5,084,216.16/3,448.28
  6. Step 6: Final answer
    x = 1,474.42

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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.