Home / 1,907.07-2,855.94-1,722.39

Finding the Fourth Proportional to 1,907.07, 2,855.94 and 1,722.39

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Solution

The fourth proportional to 1,907.07, 2,855.94 and 1,722.39 is: 2,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.07 : 2,855.94 = 1,722.39 : x
  2. Step 2: Convert to fraction form
    1,907.07/2,855.94 = 1,722.39/x
  3. Step 3: Cross multiply
    1,907.07x = 2,855.94 × 1,722.39
  4. Step 4: Simplify right side
    1,907.07x = 4,919,042.50
  5. Step 5: Solve for x
    x = 4,919,042.50/1,907.07
  6. Step 6: Final answer
    x = 2,579.37

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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.