Home / 3,279.26-4,920.43-1,635.93

Finding the Fourth Proportional to 3,279.26, 4,920.43 and 1,635.93

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Solution

The fourth proportional to 3,279.26, 4,920.43 and 1,635.93 is: 2,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.26 : 4,920.43 = 1,635.93 : x
  2. Step 2: Convert to fraction form
    3,279.26/4,920.43 = 1,635.93/x
  3. Step 3: Cross multiply
    3,279.26x = 4,920.43 × 1,635.93
  4. Step 4: Simplify right side
    3,279.26x = 8,049,499.55
  5. Step 5: Solve for x
    x = 8,049,499.55/3,279.26
  6. Step 6: Final answer
    x = 2,454.67

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1.5x scale

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.