Home / 1,896.70-2,617.58-1,100.26

Finding the Fourth Proportional to 1,896.70, 2,617.58 and 1,100.26

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Solution

The fourth proportional to 1,896.70, 2,617.58 and 1,100.26 is: 1,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.70 : 2,617.58 = 1,100.26 : x
  2. Step 2: Convert to fraction form
    1,896.70/2,617.58 = 1,100.26/x
  3. Step 3: Cross multiply
    1,896.70x = 2,617.58 × 1,100.26
  4. Step 4: Simplify right side
    1,896.70x = 2,880,018.57
  5. Step 5: Solve for x
    x = 2,880,018.57/1,896.70
  6. Step 6: Final answer
    x = 1,518.44

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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.