Home / 2,604.78-3,904.08-1,371.56

Finding the Fourth Proportional to 2,604.78, 3,904.08 and 1,371.56

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Solution

The fourth proportional to 2,604.78, 3,904.08 and 1,371.56 is: 2,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604.78 : 3,904.08 = 1,371.56 : x
  2. Step 2: Convert to fraction form
    2,604.78/3,904.08 = 1,371.56/x
  3. Step 3: Cross multiply
    2,604.78x = 3,904.08 × 1,371.56
  4. Step 4: Simplify right side
    2,604.78x = 5,354,660.44
  5. Step 5: Solve for x
    x = 5,354,660.44/2,604.78
  6. Step 6: Final answer
    x = 2,055.71

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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.