Home / 3,092.64-4,268-1,914.40

Finding the Fourth Proportional to 3,092.64, 4,268 and 1,914.40

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Solution

The fourth proportional to 3,092.64, 4,268 and 1,914.40 is: 2,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.64 : 4,268 = 1,914.40 : x
  2. Step 2: Convert to fraction form
    3,092.64/4,268 = 1,914.40/x
  3. Step 3: Cross multiply
    3,092.64x = 4,268 × 1,914.40
  4. Step 4: Simplify right side
    3,092.64x = 8,170,659.20
  5. Step 5: Solve for x
    x = 8,170,659.20/3,092.64
  6. Step 6: Final answer
    x = 2,641.97

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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.