Home / 3,982.48-5,483.26-3,613.42

Finding the Fourth Proportional to 3,982.48, 5,483.26 and 3,613.42

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Solution

The fourth proportional to 3,982.48, 5,483.26 and 3,613.42 is: 4,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.48 : 5,483.26 = 3,613.42 : x
  2. Step 2: Convert to fraction form
    3,982.48/5,483.26 = 3,613.42/x
  3. Step 3: Cross multiply
    3,982.48x = 5,483.26 × 3,613.42
  4. Step 4: Simplify right side
    3,982.48x = 19,813,321.35
  5. Step 5: Solve for x
    x = 19,813,321.35/3,982.48
  6. Step 6: Final answer
    x = 4,975.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.