Home / 2,273.90-3,137.51-1,279.14

Finding the Fourth Proportional to 2,273.90, 3,137.51 and 1,279.14

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Solution

The fourth proportional to 2,273.90, 3,137.51 and 1,279.14 is: 1,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.90 : 3,137.51 = 1,279.14 : x
  2. Step 2: Convert to fraction form
    2,273.90/3,137.51 = 1,279.14/x
  3. Step 3: Cross multiply
    2,273.90x = 3,137.51 × 1,279.14
  4. Step 4: Simplify right side
    2,273.90x = 4,013,308.15
  5. Step 5: Solve for x
    x = 4,013,308.15/2,273.90
  6. Step 6: Final answer
    x = 1,764.95

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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.