Home / 3,448.15-5,172.25-982.97

Finding the Fourth Proportional to 3,448.15, 5,172.25 and 982.97

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Solution

The fourth proportional to 3,448.15, 5,172.25 and 982.97 is: 1,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.15 : 5,172.25 = 982.97 : x
  2. Step 2: Convert to fraction form
    3,448.15/5,172.25 = 982.97/x
  3. Step 3: Cross multiply
    3,448.15x = 5,172.25 × 982.97
  4. Step 4: Simplify right side
    3,448.15x = 5,084,138.26
  5. Step 5: Solve for x
    x = 5,084,138.26/3,448.15
  6. Step 6: Final answer
    x = 1,474.45

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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.