Home / 3,369.26-4,647.78-2,042.69

Finding the Fourth Proportional to 3,369.26, 4,647.78 and 2,042.69

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Solution

The fourth proportional to 3,369.26, 4,647.78 and 2,042.69 is: 2,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.26 : 4,647.78 = 2,042.69 : x
  2. Step 2: Convert to fraction form
    3,369.26/4,647.78 = 2,042.69/x
  3. Step 3: Cross multiply
    3,369.26x = 4,647.78 × 2,042.69
  4. Step 4: Simplify right side
    3,369.26x = 9,493,950.49
  5. Step 5: Solve for x
    x = 9,493,950.49/3,369.26
  6. Step 6: Final answer
    x = 2,817.81

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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.