Home / 3,384.75-5,072.48-1,904.69

Finding the Fourth Proportional to 3,384.75, 5,072.48 and 1,904.69

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Solution

The fourth proportional to 3,384.75, 5,072.48 and 1,904.69 is: 2,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.75 : 5,072.48 = 1,904.69 : x
  2. Step 2: Convert to fraction form
    3,384.75/5,072.48 = 1,904.69/x
  3. Step 3: Cross multiply
    3,384.75x = 5,072.48 × 1,904.69
  4. Step 4: Simplify right side
    3,384.75x = 9,661,467.05
  5. Step 5: Solve for x
    x = 9,661,467.05/3,384.75
  6. Step 6: Final answer
    x = 2,854.41

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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.