Home / 3,460.35-5,190.62-1,268.49

Finding the Fourth Proportional to 3,460.35, 5,190.62 and 1,268.49

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Solution

The fourth proportional to 3,460.35, 5,190.62 and 1,268.49 is: 1,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.35 : 5,190.62 = 1,268.49 : x
  2. Step 2: Convert to fraction form
    3,460.35/5,190.62 = 1,268.49/x
  3. Step 3: Cross multiply
    3,460.35x = 5,190.62 × 1,268.49
  4. Step 4: Simplify right side
    3,460.35x = 6,584,243.22
  5. Step 5: Solve for x
    x = 6,584,243.22/3,460.35
  6. Step 6: Final answer
    x = 1,902.77

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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.