Home / 3,460.25-5,190.42-1,151.75

Finding the Fourth Proportional to 3,460.25, 5,190.42 and 1,151.75

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Solution

The fourth proportional to 3,460.25, 5,190.42 and 1,151.75 is: 1,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.25 : 5,190.42 = 1,151.75 : x
  2. Step 2: Convert to fraction form
    3,460.25/5,190.42 = 1,151.75/x
  3. Step 3: Cross multiply
    3,460.25x = 5,190.42 × 1,151.75
  4. Step 4: Simplify right side
    3,460.25x = 5,978,066.24
  5. Step 5: Solve for x
    x = 5,978,066.24/3,460.25
  6. Step 6: Final answer
    x = 1,727.64

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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.