Home / 3,481.74-4,804.20-2,220.66

Finding the Fourth Proportional to 3,481.74, 4,804.20 and 2,220.66

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Solution

The fourth proportional to 3,481.74, 4,804.20 and 2,220.66 is: 3,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.74 : 4,804.20 = 2,220.66 : x
  2. Step 2: Convert to fraction form
    3,481.74/4,804.20 = 2,220.66/x
  3. Step 3: Cross multiply
    3,481.74x = 4,804.20 × 2,220.66
  4. Step 4: Simplify right side
    3,481.74x = 10,668,494.77
  5. Step 5: Solve for x
    x = 10,668,494.77/3,481.74
  6. Step 6: Final answer
    x = 3,064.13

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1.5x scale

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.