Home / 3,576.27-5,355.74-1,816.64

Finding the Fourth Proportional to 3,576.27, 5,355.74 and 1,816.64

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Solution

The fourth proportional to 3,576.27, 5,355.74 and 1,816.64 is: 2,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.27 : 5,355.74 = 1,816.64 : x
  2. Step 2: Convert to fraction form
    3,576.27/5,355.74 = 1,816.64/x
  3. Step 3: Cross multiply
    3,576.27x = 5,355.74 × 1,816.64
  4. Step 4: Simplify right side
    3,576.27x = 9,729,469.44
  5. Step 5: Solve for x
    x = 9,729,469.44/3,576.27
  6. Step 6: Final answer
    x = 2,720.57

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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.