Home / 3,080.96-4,611.36-1,982.48

Finding the Fourth Proportional to 3,080.96, 4,611.36 and 1,982.48

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Solution

The fourth proportional to 3,080.96, 4,611.36 and 1,982.48 is: 2,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.96 : 4,611.36 = 1,982.48 : x
  2. Step 2: Convert to fraction form
    3,080.96/4,611.36 = 1,982.48/x
  3. Step 3: Cross multiply
    3,080.96x = 4,611.36 × 1,982.48
  4. Step 4: Simplify right side
    3,080.96x = 9,141,928.97
  5. Step 5: Solve for x
    x = 9,141,928.97/3,080.96
  6. Step 6: Final answer
    x = 2,967.23

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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.