Home / 3,173.09-4,759.66-1,418.18

Finding the Fourth Proportional to 3,173.09, 4,759.66 and 1,418.18

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Solution

The fourth proportional to 3,173.09, 4,759.66 and 1,418.18 is: 2,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.09 : 4,759.66 = 1,418.18 : x
  2. Step 2: Convert to fraction form
    3,173.09/4,759.66 = 1,418.18/x
  3. Step 3: Cross multiply
    3,173.09x = 4,759.66 × 1,418.18
  4. Step 4: Simplify right side
    3,173.09x = 6,750,054.62
  5. Step 5: Solve for x
    x = 6,750,054.62/3,173.09
  6. Step 6: Final answer
    x = 2,127.28

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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.