Home / 1,940.30-2,908.46-1,244.96

Finding the Fourth Proportional to 1,940.30, 2,908.46 and 1,244.96

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Solution

The fourth proportional to 1,940.30, 2,908.46 and 1,244.96 is: 1,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.30 : 2,908.46 = 1,244.96 : x
  2. Step 2: Convert to fraction form
    1,940.30/2,908.46 = 1,244.96/x
  3. Step 3: Cross multiply
    1,940.30x = 2,908.46 × 1,244.96
  4. Step 4: Simplify right side
    1,940.30x = 3,620,916.36
  5. Step 5: Solve for x
    x = 3,620,916.36/1,940.30
  6. Step 6: Final answer
    x = 1,866.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.