Home / 2,273.84-3,137.83-1,279.33

Finding the Fourth Proportional to 2,273.84, 3,137.83 and 1,279.33

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Solution

The fourth proportional to 2,273.84, 3,137.83 and 1,279.33 is: 1,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.84 : 3,137.83 = 1,279.33 : x
  2. Step 2: Convert to fraction form
    2,273.84/3,137.83 = 1,279.33/x
  3. Step 3: Cross multiply
    2,273.84x = 3,137.83 × 1,279.33
  4. Step 4: Simplify right side
    2,273.84x = 4,014,320.05
  5. Step 5: Solve for x
    x = 4,014,320.05/2,273.84
  6. Step 6: Final answer
    x = 1,765.44

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1.5x scale

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.