Home / 2,724.54-4,084.37-1,261.68

Finding the Fourth Proportional to 2,724.54, 4,084.37 and 1,261.68

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Solution

The fourth proportional to 2,724.54, 4,084.37 and 1,261.68 is: 1,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.54 : 4,084.37 = 1,261.68 : x
  2. Step 2: Convert to fraction form
    2,724.54/4,084.37 = 1,261.68/x
  3. Step 3: Cross multiply
    2,724.54x = 4,084.37 × 1,261.68
  4. Step 4: Simplify right side
    2,724.54x = 5,153,147.52
  5. Step 5: Solve for x
    x = 5,153,147.52/2,724.54
  6. Step 6: Final answer
    x = 1,891.39

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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.