Home / 3,239.09-4,855.55-2,065.80

Finding the Fourth Proportional to 3,239.09, 4,855.55 and 2,065.80

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Solution

The fourth proportional to 3,239.09, 4,855.55 and 2,065.80 is: 3,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.09 : 4,855.55 = 2,065.80 : x
  2. Step 2: Convert to fraction form
    3,239.09/4,855.55 = 2,065.80/x
  3. Step 3: Cross multiply
    3,239.09x = 4,855.55 × 2,065.80
  4. Step 4: Simplify right side
    3,239.09x = 10,030,595.19
  5. Step 5: Solve for x
    x = 10,030,595.19/3,239.09
  6. Step 6: Final answer
    x = 3,096.73

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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.