Home / 3,611.01-4,984.52-2,120.18

Finding the Fourth Proportional to 3,611.01, 4,984.52 and 2,120.18

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Solution

The fourth proportional to 3,611.01, 4,984.52 and 2,120.18 is: 2,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.01 : 4,984.52 = 2,120.18 : x
  2. Step 2: Convert to fraction form
    3,611.01/4,984.52 = 2,120.18/x
  3. Step 3: Cross multiply
    3,611.01x = 4,984.52 × 2,120.18
  4. Step 4: Simplify right side
    3,611.01x = 10,568,044.09
  5. Step 5: Solve for x
    x = 10,568,044.09/3,611.01
  6. Step 6: Final answer
    x = 2,926.62

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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.