Home / 3,238.07-4,468.52-1,821.80

Finding the Fourth Proportional to 3,238.07, 4,468.52 and 1,821.80

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Solution

The fourth proportional to 3,238.07, 4,468.52 and 1,821.80 is: 2,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.07 : 4,468.52 = 1,821.80 : x
  2. Step 2: Convert to fraction form
    3,238.07/4,468.52 = 1,821.80/x
  3. Step 3: Cross multiply
    3,238.07x = 4,468.52 × 1,821.80
  4. Step 4: Simplify right side
    3,238.07x = 8,140,765.46
  5. Step 5: Solve for x
    x = 8,140,765.46/3,238.07
  6. Step 6: Final answer
    x = 2,514.08

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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.