Home / 2,383.52-3,288.60-1,989.92

Finding the Fourth Proportional to 2,383.52, 3,288.60 and 1,989.92

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Solution

The fourth proportional to 2,383.52, 3,288.60 and 1,989.92 is: 2,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.52 : 3,288.60 = 1,989.92 : x
  2. Step 2: Convert to fraction form
    2,383.52/3,288.60 = 1,989.92/x
  3. Step 3: Cross multiply
    2,383.52x = 3,288.60 × 1,989.92
  4. Step 4: Simplify right side
    2,383.52x = 6,544,050.91
  5. Step 5: Solve for x
    x = 6,544,050.91/2,383.52
  6. Step 6: Final answer
    x = 2,745.54

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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.