Home / 1,819.79-2,731.97-1,515.37

Finding the Fourth Proportional to 1,819.79, 2,731.97 and 1,515.37

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Solution

The fourth proportional to 1,819.79, 2,731.97 and 1,515.37 is: 2,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.79 : 2,731.97 = 1,515.37 : x
  2. Step 2: Convert to fraction form
    1,819.79/2,731.97 = 1,515.37/x
  3. Step 3: Cross multiply
    1,819.79x = 2,731.97 × 1,515.37
  4. Step 4: Simplify right side
    1,819.79x = 4,139,945.38
  5. Step 5: Solve for x
    x = 4,139,945.38/1,819.79
  6. Step 6: Final answer
    x = 2,274.96

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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.