Home / 3,409.26-5,114.55-1,329.18

Finding the Fourth Proportional to 3,409.26, 5,114.55 and 1,329.18

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Solution

The fourth proportional to 3,409.26, 5,114.55 and 1,329.18 is: 1,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.26 : 5,114.55 = 1,329.18 : x
  2. Step 2: Convert to fraction form
    3,409.26/5,114.55 = 1,329.18/x
  3. Step 3: Cross multiply
    3,409.26x = 5,114.55 × 1,329.18
  4. Step 4: Simplify right side
    3,409.26x = 6,798,157.57
  5. Step 5: Solve for x
    x = 6,798,157.57/3,409.26
  6. Step 6: Final answer
    x = 1,994.03

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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.