Home / 3,325.19-4,975.42-2,086.80

Finding the Fourth Proportional to 3,325.19, 4,975.42 and 2,086.80

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Solution

The fourth proportional to 3,325.19, 4,975.42 and 2,086.80 is: 3,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.19 : 4,975.42 = 2,086.80 : x
  2. Step 2: Convert to fraction form
    3,325.19/4,975.42 = 2,086.80/x
  3. Step 3: Cross multiply
    3,325.19x = 4,975.42 × 2,086.80
  4. Step 4: Simplify right side
    3,325.19x = 10,382,682.58
  5. Step 5: Solve for x
    x = 10,382,682.58/3,325.19
  6. Step 6: Final answer
    x = 3,122.44

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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.