Home / 3,289.86-4,539.97-1,854.09

Finding the Fourth Proportional to 3,289.86, 4,539.97 and 1,854.09

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Solution

The fourth proportional to 3,289.86, 4,539.97 and 1,854.09 is: 2,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.86 : 4,539.97 = 1,854.09 : x
  2. Step 2: Convert to fraction form
    3,289.86/4,539.97 = 1,854.09/x
  3. Step 3: Cross multiply
    3,289.86x = 4,539.97 × 1,854.09
  4. Step 4: Simplify right side
    3,289.86x = 8,417,481.01
  5. Step 5: Solve for x
    x = 8,417,481.01/3,289.86
  6. Step 6: Final answer
    x = 2,558.62

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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.