Home / 3,459.69-5,191.56-1,268.60

Finding the Fourth Proportional to 3,459.69, 5,191.56 and 1,268.60

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Solution

The fourth proportional to 3,459.69, 5,191.56 and 1,268.60 is: 1,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.69 : 5,191.56 = 1,268.60 : x
  2. Step 2: Convert to fraction form
    3,459.69/5,191.56 = 1,268.60/x
  3. Step 3: Cross multiply
    3,459.69x = 5,191.56 × 1,268.60
  4. Step 4: Simplify right side
    3,459.69x = 6,585,987.06
  5. Step 5: Solve for x
    x = 6,585,987.06/3,459.69
  6. Step 6: Final answer
    x = 1,903.64

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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.