Home / 3,221.14-4,443.38-1,894.67

Finding the Fourth Proportional to 3,221.14, 4,443.38 and 1,894.67

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Solution

The fourth proportional to 3,221.14, 4,443.38 and 1,894.67 is: 2,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.14 : 4,443.38 = 1,894.67 : x
  2. Step 2: Convert to fraction form
    3,221.14/4,443.38 = 1,894.67/x
  3. Step 3: Cross multiply
    3,221.14x = 4,443.38 × 1,894.67
  4. Step 4: Simplify right side
    3,221.14x = 8,418,738.78
  5. Step 5: Solve for x
    x = 8,418,738.78/3,221.14
  6. Step 6: Final answer
    x = 2,613.59

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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.