Home / 3,238.05-4,468.50-1,821.75

Finding the Fourth Proportional to 3,238.05, 4,468.50 and 1,821.75

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Solution

The fourth proportional to 3,238.05, 4,468.50 and 1,821.75 is: 2,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.05 : 4,468.50 = 1,821.75 : x
  2. Step 2: Convert to fraction form
    3,238.05/4,468.50 = 1,821.75/x
  3. Step 3: Cross multiply
    3,238.05x = 4,468.50 × 1,821.75
  4. Step 4: Simplify right side
    3,238.05x = 8,140,489.88
  5. Step 5: Solve for x
    x = 8,140,489.88/3,238.05
  6. Step 6: Final answer
    x = 2,514.01

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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.