Home / 2,873.14-3,959.76-2,085.82

Finding the Fourth Proportional to 2,873.14, 3,959.76 and 2,085.82

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Solution

The fourth proportional to 2,873.14, 3,959.76 and 2,085.82 is: 2,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.14 : 3,959.76 = 2,085.82 : x
  2. Step 2: Convert to fraction form
    2,873.14/3,959.76 = 2,085.82/x
  3. Step 3: Cross multiply
    2,873.14x = 3,959.76 × 2,085.82
  4. Step 4: Simplify right side
    2,873.14x = 8,259,346.60
  5. Step 5: Solve for x
    x = 8,259,346.60/2,873.14
  6. Step 6: Final answer
    x = 2,874.68

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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.