Home / 2,730.21-4,093.94-1,085.87

Finding the Fourth Proportional to 2,730.21, 4,093.94 and 1,085.87

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Solution

The fourth proportional to 2,730.21, 4,093.94 and 1,085.87 is: 1,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.21 : 4,093.94 = 1,085.87 : x
  2. Step 2: Convert to fraction form
    2,730.21/4,093.94 = 1,085.87/x
  3. Step 3: Cross multiply
    2,730.21x = 4,093.94 × 1,085.87
  4. Step 4: Simplify right side
    2,730.21x = 4,445,460.73
  5. Step 5: Solve for x
    x = 4,445,460.73/2,730.21
  6. Step 6: Final answer
    x = 1,628.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.