Home / 3,448.26-5,172.55-983.25

Finding the Fourth Proportional to 3,448.26, 5,172.55 and 983.25

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Solution

The fourth proportional to 3,448.26, 5,172.55 and 983.25 is: 1,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.26 : 5,172.55 = 983.25 : x
  2. Step 2: Convert to fraction form
    3,448.26/5,172.55 = 983.25/x
  3. Step 3: Cross multiply
    3,448.26x = 5,172.55 × 983.25
  4. Step 4: Simplify right side
    3,448.26x = 5,085,909.79
  5. Step 5: Solve for x
    x = 5,085,909.79/3,448.26
  6. Step 6: Final answer
    x = 1,474.92

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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.