Home / 3,683.58-5,525.52-1,218.61

Finding the Fourth Proportional to 3,683.58, 5,525.52 and 1,218.61

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Solution

The fourth proportional to 3,683.58, 5,525.52 and 1,218.61 is: 1,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.58 : 5,525.52 = 1,218.61 : x
  2. Step 2: Convert to fraction form
    3,683.58/5,525.52 = 1,218.61/x
  3. Step 3: Cross multiply
    3,683.58x = 5,525.52 × 1,218.61
  4. Step 4: Simplify right side
    3,683.58x = 6,733,453.93
  5. Step 5: Solve for x
    x = 6,733,453.93/3,683.58
  6. Step 6: Final answer
    x = 1,827.96

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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.