Home / 3,609.09-5,409.50-1,636.22

Finding the Fourth Proportional to 3,609.09, 5,409.50 and 1,636.22

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Solution

The fourth proportional to 3,609.09, 5,409.50 and 1,636.22 is: 2,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.09 : 5,409.50 = 1,636.22 : x
  2. Step 2: Convert to fraction form
    3,609.09/5,409.50 = 1,636.22/x
  3. Step 3: Cross multiply
    3,609.09x = 5,409.50 × 1,636.22
  4. Step 4: Simplify right side
    3,609.09x = 8,851,096.86
  5. Step 5: Solve for x
    x = 8,851,096.86/3,609.09
  6. Step 6: Final answer
    x = 2,452.45

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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.