Home / 1,983.03-2,736.62-1,098.83

Finding the Fourth Proportional to 1,983.03, 2,736.62 and 1,098.83

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Solution

The fourth proportional to 1,983.03, 2,736.62 and 1,098.83 is: 1,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.03 : 2,736.62 = 1,098.83 : x
  2. Step 2: Convert to fraction form
    1,983.03/2,736.62 = 1,098.83/x
  3. Step 3: Cross multiply
    1,983.03x = 2,736.62 × 1,098.83
  4. Step 4: Simplify right side
    1,983.03x = 3,007,060.98
  5. Step 5: Solve for x
    x = 3,007,060.98/1,983.03
  6. Step 6: Final answer
    x = 1,516.40

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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.