Home / 3,467.78-4,785.57-1,975.69

Finding the Fourth Proportional to 3,467.78, 4,785.57 and 1,975.69

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Solution

The fourth proportional to 3,467.78, 4,785.57 and 1,975.69 is: 2,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.78 : 4,785.57 = 1,975.69 : x
  2. Step 2: Convert to fraction form
    3,467.78/4,785.57 = 1,975.69/x
  3. Step 3: Cross multiply
    3,467.78x = 4,785.57 × 1,975.69
  4. Step 4: Simplify right side
    3,467.78x = 9,454,768.99
  5. Step 5: Solve for x
    x = 9,454,768.99/3,467.78
  6. Step 6: Final answer
    x = 2,726.47

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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.