Home / 2,274.03-3,137.94-1,279.29

Finding the Fourth Proportional to 2,274.03, 3,137.94 and 1,279.29

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Solution

The fourth proportional to 2,274.03, 3,137.94 and 1,279.29 is: 1,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.03 : 3,137.94 = 1,279.29 : x
  2. Step 2: Convert to fraction form
    2,274.03/3,137.94 = 1,279.29/x
  3. Step 3: Cross multiply
    2,274.03x = 3,137.94 × 1,279.29
  4. Step 4: Simplify right side
    2,274.03x = 4,014,336.49
  5. Step 5: Solve for x
    x = 4,014,336.49/2,274.03
  6. Step 6: Final answer
    x = 1,765.29

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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.