Home / 3,683.42-5,525.82-1,217.60

Finding the Fourth Proportional to 3,683.42, 5,525.82 and 1,217.60

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Solution

The fourth proportional to 3,683.42, 5,525.82 and 1,217.60 is: 1,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.42 : 5,525.82 = 1,217.60 : x
  2. Step 2: Convert to fraction form
    3,683.42/5,525.82 = 1,217.60/x
  3. Step 3: Cross multiply
    3,683.42x = 5,525.82 × 1,217.60
  4. Step 4: Simplify right side
    3,683.42x = 6,728,238.43
  5. Step 5: Solve for x
    x = 6,728,238.43/3,683.42
  6. Step 6: Final answer
    x = 1,826.63

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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.