Home / 1,983.19-2,736.72-1,098.94

Finding the Fourth Proportional to 1,983.19, 2,736.72 and 1,098.94

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Solution

The fourth proportional to 1,983.19, 2,736.72 and 1,098.94 is: 1,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.19 : 2,736.72 = 1,098.94 : x
  2. Step 2: Convert to fraction form
    1,983.19/2,736.72 = 1,098.94/x
  3. Step 3: Cross multiply
    1,983.19x = 2,736.72 × 1,098.94
  4. Step 4: Simplify right side
    1,983.19x = 3,007,491.08
  5. Step 5: Solve for x
    x = 3,007,491.08/1,983.19
  6. Step 6: Final answer
    x = 1,516.49

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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.