Home / 2,568.88-3,845.76-1,591.84

Finding the Fourth Proportional to 2,568.88, 3,845.76 and 1,591.84

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Solution

The fourth proportional to 2,568.88, 3,845.76 and 1,591.84 is: 2,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.88 : 3,845.76 = 1,591.84 : x
  2. Step 2: Convert to fraction form
    2,568.88/3,845.76 = 1,591.84/x
  3. Step 3: Cross multiply
    2,568.88x = 3,845.76 × 1,591.84
  4. Step 4: Simplify right side
    2,568.88x = 6,121,834.60
  5. Step 5: Solve for x
    x = 6,121,834.60/2,568.88
  6. Step 6: Final answer
    x = 2,383.08

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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.