Home / 3,460.32-5,190.56-1,268.48

Finding the Fourth Proportional to 3,460.32, 5,190.56 and 1,268.48

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Solution

The fourth proportional to 3,460.32, 5,190.56 and 1,268.48 is: 1,902.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.32 : 5,190.56 = 1,268.48 : x
  2. Step 2: Convert to fraction form
    3,460.32/5,190.56 = 1,268.48/x
  3. Step 3: Cross multiply
    3,460.32x = 5,190.56 × 1,268.48
  4. Step 4: Simplify right side
    3,460.32x = 6,584,121.55
  5. Step 5: Solve for x
    x = 6,584,121.55/3,460.32
  6. Step 6: Final answer
    x = 1,902.75

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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.