Home / 3,683.27-5,525.78-1,218.09

Finding the Fourth Proportional to 3,683.27, 5,525.78 and 1,218.09

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Solution

The fourth proportional to 3,683.27, 5,525.78 and 1,218.09 is: 1,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.27 : 5,525.78 = 1,218.09 : x
  2. Step 2: Convert to fraction form
    3,683.27/5,525.78 = 1,218.09/x
  3. Step 3: Cross multiply
    3,683.27x = 5,525.78 × 1,218.09
  4. Step 4: Simplify right side
    3,683.27x = 6,730,891.27
  5. Step 5: Solve for x
    x = 6,730,891.27/3,683.27
  6. Step 6: Final answer
    x = 1,827.42

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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.