Home / 3,784.98-5,222.52-2,212.77

Finding the Fourth Proportional to 3,784.98, 5,222.52 and 2,212.77

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Solution

The fourth proportional to 3,784.98, 5,222.52 and 2,212.77 is: 3,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.98 : 5,222.52 = 2,212.77 : x
  2. Step 2: Convert to fraction form
    3,784.98/5,222.52 = 2,212.77/x
  3. Step 3: Cross multiply
    3,784.98x = 5,222.52 × 2,212.77
  4. Step 4: Simplify right side
    3,784.98x = 11,556,235.58
  5. Step 5: Solve for x
    x = 11,556,235.58/3,784.98
  6. Step 6: Final answer
    x = 3,053.18

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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.