Home / 2,839.21-3,917.84-2,093.57

Finding the Fourth Proportional to 2,839.21, 3,917.84 and 2,093.57

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Solution

The fourth proportional to 2,839.21, 3,917.84 and 2,093.57 is: 2,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.21 : 3,917.84 = 2,093.57 : x
  2. Step 2: Convert to fraction form
    2,839.21/3,917.84 = 2,093.57/x
  3. Step 3: Cross multiply
    2,839.21x = 3,917.84 × 2,093.57
  4. Step 4: Simplify right side
    2,839.21x = 8,202,256.92
  5. Step 5: Solve for x
    x = 8,202,256.92/2,839.21
  6. Step 6: Final answer
    x = 2,888.92

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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.