Home / 3,221.54-4,827.99-1,486.34

Finding the Fourth Proportional to 3,221.54, 4,827.99 and 1,486.34

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Solution

The fourth proportional to 3,221.54, 4,827.99 and 1,486.34 is: 2,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.54 : 4,827.99 = 1,486.34 : x
  2. Step 2: Convert to fraction form
    3,221.54/4,827.99 = 1,486.34/x
  3. Step 3: Cross multiply
    3,221.54x = 4,827.99 × 1,486.34
  4. Step 4: Simplify right side
    3,221.54x = 7,176,034.66
  5. Step 5: Solve for x
    x = 7,176,034.66/3,221.54
  6. Step 6: Final answer
    x = 2,227.52

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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.