Home / 1,896.82-2,617.62-1,110.70

Finding the Fourth Proportional to 1,896.82, 2,617.62 and 1,110.70

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Solution

The fourth proportional to 1,896.82, 2,617.62 and 1,110.70 is: 1,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.82 : 2,617.62 = 1,110.70 : x
  2. Step 2: Convert to fraction form
    1,896.82/2,617.62 = 1,110.70/x
  3. Step 3: Cross multiply
    1,896.82x = 2,617.62 × 1,110.70
  4. Step 4: Simplify right side
    1,896.82x = 2,907,390.53
  5. Step 5: Solve for x
    x = 2,907,390.53/1,896.82
  6. Step 6: Final answer
    x = 1,532.77

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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.