Home / 2,179.44-3,270.36-1,836.84

Finding the Fourth Proportional to 2,179.44, 3,270.36 and 1,836.84

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Solution

The fourth proportional to 2,179.44, 3,270.36 and 1,836.84 is: 2,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.44 : 3,270.36 = 1,836.84 : x
  2. Step 2: Convert to fraction form
    2,179.44/3,270.36 = 1,836.84/x
  3. Step 3: Cross multiply
    2,179.44x = 3,270.36 × 1,836.84
  4. Step 4: Simplify right side
    2,179.44x = 6,007,128.06
  5. Step 5: Solve for x
    x = 6,007,128.06/2,179.44
  6. Step 6: Final answer
    x = 2,756.27

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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.