Home / 2,274.02-3,137.83-1,279.14

Finding the Fourth Proportional to 2,274.02, 3,137.83 and 1,279.14

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Solution

The fourth proportional to 2,274.02, 3,137.83 and 1,279.14 is: 1,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.02 : 3,137.83 = 1,279.14 : x
  2. Step 2: Convert to fraction form
    2,274.02/3,137.83 = 1,279.14/x
  3. Step 3: Cross multiply
    2,274.02x = 3,137.83 × 1,279.14
  4. Step 4: Simplify right side
    2,274.02x = 4,013,723.87
  5. Step 5: Solve for x
    x = 4,013,723.87/2,274.02
  6. Step 6: Final answer
    x = 1,765.03

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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.