Home / 1,826.40-2,519.48-1,383.54

Finding the Fourth Proportional to 1,826.40, 2,519.48 and 1,383.54

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Solution

The fourth proportional to 1,826.40, 2,519.48 and 1,383.54 is: 1,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.40 : 2,519.48 = 1,383.54 : x
  2. Step 2: Convert to fraction form
    1,826.40/2,519.48 = 1,383.54/x
  3. Step 3: Cross multiply
    1,826.40x = 2,519.48 × 1,383.54
  4. Step 4: Simplify right side
    1,826.40x = 3,485,788.76
  5. Step 5: Solve for x
    x = 3,485,788.76/1,826.40
  6. Step 6: Final answer
    x = 1,908.56

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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.