Home / 1,918.16-2,873.64-1,093.94

Finding the Fourth Proportional to 1,918.16, 2,873.64 and 1,093.94

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Solution

The fourth proportional to 1,918.16, 2,873.64 and 1,093.94 is: 1,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.16 : 2,873.64 = 1,093.94 : x
  2. Step 2: Convert to fraction form
    1,918.16/2,873.64 = 1,093.94/x
  3. Step 3: Cross multiply
    1,918.16x = 2,873.64 × 1,093.94
  4. Step 4: Simplify right side
    1,918.16x = 3,143,575.37
  5. Step 5: Solve for x
    x = 3,143,575.37/1,918.16
  6. Step 6: Final answer
    x = 1,638.85

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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.