Home / 3,418.25-4,716.16-2,090.55

Finding the Fourth Proportional to 3,418.25, 4,716.16 and 2,090.55

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Solution

The fourth proportional to 3,418.25, 4,716.16 and 2,090.55 is: 2,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.25 : 4,716.16 = 2,090.55 : x
  2. Step 2: Convert to fraction form
    3,418.25/4,716.16 = 2,090.55/x
  3. Step 3: Cross multiply
    3,418.25x = 4,716.16 × 2,090.55
  4. Step 4: Simplify right side
    3,418.25x = 9,859,380.75
  5. Step 5: Solve for x
    x = 9,859,380.75/3,418.25
  6. Step 6: Final answer
    x = 2,884.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.