Home / 1,936.29-2,907.85-1,442.84

Finding the Fourth Proportional to 1,936.29, 2,907.85 and 1,442.84

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Solution

The fourth proportional to 1,936.29, 2,907.85 and 1,442.84 is: 2,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.29 : 2,907.85 = 1,442.84 : x
  2. Step 2: Convert to fraction form
    1,936.29/2,907.85 = 1,442.84/x
  3. Step 3: Cross multiply
    1,936.29x = 2,907.85 × 1,442.84
  4. Step 4: Simplify right side
    1,936.29x = 4,195,544.15
  5. Step 5: Solve for x
    x = 4,195,544.15/1,936.29
  6. Step 6: Final answer
    x = 2,166.80

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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.