Home / 1,826.01-2,738.99-1,239.56

Finding the Fourth Proportional to 1,826.01, 2,738.99 and 1,239.56

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Solution

The fourth proportional to 1,826.01, 2,738.99 and 1,239.56 is: 1,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.01 : 2,738.99 = 1,239.56 : x
  2. Step 2: Convert to fraction form
    1,826.01/2,738.99 = 1,239.56/x
  3. Step 3: Cross multiply
    1,826.01x = 2,738.99 × 1,239.56
  4. Step 4: Simplify right side
    1,826.01x = 3,395,142.44
  5. Step 5: Solve for x
    x = 3,395,142.44/1,826.01
  6. Step 6: Final answer
    x = 1,859.32

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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.