Home / 3,679.22-5,505.86-2,806.58

Finding the Fourth Proportional to 3,679.22, 5,505.86 and 2,806.58

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Solution

The fourth proportional to 3,679.22, 5,505.86 and 2,806.58 is: 4,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.22 : 5,505.86 = 2,806.58 : x
  2. Step 2: Convert to fraction form
    3,679.22/5,505.86 = 2,806.58/x
  3. Step 3: Cross multiply
    3,679.22x = 5,505.86 × 2,806.58
  4. Step 4: Simplify right side
    3,679.22x = 15,452,636.56
  5. Step 5: Solve for x
    x = 15,452,636.56/3,679.22
  6. Step 6: Final answer
    x = 4,199.98

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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.