Home / 3,342.73-4,611.18-2,161.75

Finding the Fourth Proportional to 3,342.73, 4,611.18 and 2,161.75

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Solution

The fourth proportional to 3,342.73, 4,611.18 and 2,161.75 is: 2,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.73 : 4,611.18 = 2,161.75 : x
  2. Step 2: Convert to fraction form
    3,342.73/4,611.18 = 2,161.75/x
  3. Step 3: Cross multiply
    3,342.73x = 4,611.18 × 2,161.75
  4. Step 4: Simplify right side
    3,342.73x = 9,968,218.37
  5. Step 5: Solve for x
    x = 9,968,218.37/3,342.73
  6. Step 6: Final answer
    x = 2,982.06

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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.