Home / 1,917.75-2,871.99-1,093.52

Finding the Fourth Proportional to 1,917.75, 2,871.99 and 1,093.52

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Solution

The fourth proportional to 1,917.75, 2,871.99 and 1,093.52 is: 1,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.75 : 2,871.99 = 1,093.52 : x
  2. Step 2: Convert to fraction form
    1,917.75/2,871.99 = 1,093.52/x
  3. Step 3: Cross multiply
    1,917.75x = 2,871.99 × 1,093.52
  4. Step 4: Simplify right side
    1,917.75x = 3,140,578.50
  5. Step 5: Solve for x
    x = 3,140,578.50/1,917.75
  6. Step 6: Final answer
    x = 1,637.64

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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.