Home / 2,830.17-3,906.36-1,635.33

Finding the Fourth Proportional to 2,830.17, 3,906.36 and 1,635.33

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Solution

The fourth proportional to 2,830.17, 3,906.36 and 1,635.33 is: 2,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.17 : 3,906.36 = 1,635.33 : x
  2. Step 2: Convert to fraction form
    2,830.17/3,906.36 = 1,635.33/x
  3. Step 3: Cross multiply
    2,830.17x = 3,906.36 × 1,635.33
  4. Step 4: Simplify right side
    2,830.17x = 6,388,187.70
  5. Step 5: Solve for x
    x = 6,388,187.70/2,830.17
  6. Step 6: Final answer
    x = 2,257.17

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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.