Home / 3,982.47-5,477.53-3,194.79

Finding the Fourth Proportional to 3,982.47, 5,477.53 and 3,194.79

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Solution

The fourth proportional to 3,982.47, 5,477.53 and 3,194.79 is: 4,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.47 : 5,477.53 = 3,194.79 : x
  2. Step 2: Convert to fraction form
    3,982.47/5,477.53 = 3,194.79/x
  3. Step 3: Cross multiply
    3,982.47x = 5,477.53 × 3,194.79
  4. Step 4: Simplify right side
    3,982.47x = 17,499,558.07
  5. Step 5: Solve for x
    x = 17,499,558.07/3,982.47
  6. Step 6: Final answer
    x = 4,394.15

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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.