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Finding the Fourth Proportional to 1,940.36, 2,888.89 and 1,828.04

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Solution

The fourth proportional to 1,940.36, 2,888.89 and 1,828.04 is: 2,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.36 : 2,888.89 = 1,828.04 : x
  2. Step 2: Convert to fraction form
    1,940.36/2,888.89 = 1,828.04/x
  3. Step 3: Cross multiply
    1,940.36x = 2,888.89 × 1,828.04
  4. Step 4: Simplify right side
    1,940.36x = 5,281,006.48
  5. Step 5: Solve for x
    x = 5,281,006.48/1,940.36
  6. Step 6: Final answer
    x = 2,721.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.