Home / 2,724.24-4,086.32-1,805.60

Finding the Fourth Proportional to 2,724.24, 4,086.32 and 1,805.60

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Solution

The fourth proportional to 2,724.24, 4,086.32 and 1,805.60 is: 2,708.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.24 : 4,086.32 = 1,805.60 : x
  2. Step 2: Convert to fraction form
    2,724.24/4,086.32 = 1,805.60/x
  3. Step 3: Cross multiply
    2,724.24x = 4,086.32 × 1,805.60
  4. Step 4: Simplify right side
    2,724.24x = 7,378,259.39
  5. Step 5: Solve for x
    x = 7,378,259.39/2,724.24
  6. Step 6: Final answer
    x = 2,708.37

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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.