Home / 2,043.28-2,819.82-1,571.68

Finding the Fourth Proportional to 2,043.28, 2,819.82 and 1,571.68

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Solution

The fourth proportional to 2,043.28, 2,819.82 and 1,571.68 is: 2,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.28 : 2,819.82 = 1,571.68 : x
  2. Step 2: Convert to fraction form
    2,043.28/2,819.82 = 1,571.68/x
  3. Step 3: Cross multiply
    2,043.28x = 2,819.82 × 1,571.68
  4. Step 4: Simplify right side
    2,043.28x = 4,431,854.70
  5. Step 5: Solve for x
    x = 4,431,854.70/2,043.28
  6. Step 6: Final answer
    x = 2,168.99

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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.