Home / 3,676.46-5,515.50-1,079.60

Finding the Fourth Proportional to 3,676.46, 5,515.50 and 1,079.60

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Solution

The fourth proportional to 3,676.46, 5,515.50 and 1,079.60 is: 1,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.46 : 5,515.50 = 1,079.60 : x
  2. Step 2: Convert to fraction form
    3,676.46/5,515.50 = 1,079.60/x
  3. Step 3: Cross multiply
    3,676.46x = 5,515.50 × 1,079.60
  4. Step 4: Simplify right side
    3,676.46x = 5,954,533.80
  5. Step 5: Solve for x
    x = 5,954,533.80/3,676.46
  6. Step 6: Final answer
    x = 1,619.64

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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.