Home / 3,208.86-4,807.05-1,817.91

Finding the Fourth Proportional to 3,208.86, 4,807.05 and 1,817.91

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Solution

The fourth proportional to 3,208.86, 4,807.05 and 1,817.91 is: 2,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.86 : 4,807.05 = 1,817.91 : x
  2. Step 2: Convert to fraction form
    3,208.86/4,807.05 = 1,817.91/x
  3. Step 3: Cross multiply
    3,208.86x = 4,807.05 × 1,817.91
  4. Step 4: Simplify right side
    3,208.86x = 8,738,784.27
  5. Step 5: Solve for x
    x = 8,738,784.27/3,208.86
  6. Step 6: Final answer
    x = 2,723.33

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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.