Home / 3,221.19-4,821.33-1,738.35

Finding the Fourth Proportional to 3,221.19, 4,821.33 and 1,738.35

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Solution

The fourth proportional to 3,221.19, 4,821.33 and 1,738.35 is: 2,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.19 : 4,821.33 = 1,738.35 : x
  2. Step 2: Convert to fraction form
    3,221.19/4,821.33 = 1,738.35/x
  3. Step 3: Cross multiply
    3,221.19x = 4,821.33 × 1,738.35
  4. Step 4: Simplify right side
    3,221.19x = 8,381,159.01
  5. Step 5: Solve for x
    x = 8,381,159.01/3,221.19
  6. Step 6: Final answer
    x = 2,601.88

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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.