Home / 3,285-4,919.49-1,726.29

Finding the Fourth Proportional to 3,285, 4,919.49 and 1,726.29

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Solution

The fourth proportional to 3,285, 4,919.49 and 1,726.29 is: 2,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285 : 4,919.49 = 1,726.29 : x
  2. Step 2: Convert to fraction form
    3,285/4,919.49 = 1,726.29/x
  3. Step 3: Cross multiply
    3,285x = 4,919.49 × 1,726.29
  4. Step 4: Simplify right side
    3,285x = 8,492,466.39
  5. Step 5: Solve for x
    x = 8,492,466.39/3,285
  6. Step 6: Final answer
    x = 2,585.23

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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.