Home / 1,896.48-2,617.92-1,197.72

Finding the Fourth Proportional to 1,896.48, 2,617.92 and 1,197.72

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Solution

The fourth proportional to 1,896.48, 2,617.92 and 1,197.72 is: 1,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.48 : 2,617.92 = 1,197.72 : x
  2. Step 2: Convert to fraction form
    1,896.48/2,617.92 = 1,197.72/x
  3. Step 3: Cross multiply
    1,896.48x = 2,617.92 × 1,197.72
  4. Step 4: Simplify right side
    1,896.48x = 3,135,535.14
  5. Step 5: Solve for x
    x = 3,135,535.14/1,896.48
  6. Step 6: Final answer
    x = 1,653.34

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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.