Home / 2,777.69-4,161.67-2,338.47

Finding the Fourth Proportional to 2,777.69, 4,161.67 and 2,338.47

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Solution

The fourth proportional to 2,777.69, 4,161.67 and 2,338.47 is: 3,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.69 : 4,161.67 = 2,338.47 : x
  2. Step 2: Convert to fraction form
    2,777.69/4,161.67 = 2,338.47/x
  3. Step 3: Cross multiply
    2,777.69x = 4,161.67 × 2,338.47
  4. Step 4: Simplify right side
    2,777.69x = 9,731,919.64
  5. Step 5: Solve for x
    x = 9,731,919.64/2,777.69
  6. Step 6: Final answer
    x = 3,503.61

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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.