Home / 1,896.68-2,617.42-1,100.16

Finding the Fourth Proportional to 1,896.68, 2,617.42 and 1,100.16

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Solution

The fourth proportional to 1,896.68, 2,617.42 and 1,100.16 is: 1,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.68 : 2,617.42 = 1,100.16 : x
  2. Step 2: Convert to fraction form
    1,896.68/2,617.42 = 1,100.16/x
  3. Step 3: Cross multiply
    1,896.68x = 2,617.42 × 1,100.16
  4. Step 4: Simplify right side
    1,896.68x = 2,879,580.79
  5. Step 5: Solve for x
    x = 2,879,580.79/1,896.68
  6. Step 6: Final answer
    x = 1,518.22

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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.