Home / 1,724.49-2,584.58-1,230.12

Finding the Fourth Proportional to 1,724.49, 2,584.58 and 1,230.12

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Solution

The fourth proportional to 1,724.49, 2,584.58 and 1,230.12 is: 1,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.49 : 2,584.58 = 1,230.12 : x
  2. Step 2: Convert to fraction form
    1,724.49/2,584.58 = 1,230.12/x
  3. Step 3: Cross multiply
    1,724.49x = 2,584.58 × 1,230.12
  4. Step 4: Simplify right side
    1,724.49x = 3,179,337.40
  5. Step 5: Solve for x
    x = 3,179,337.40/1,724.49
  6. Step 6: Final answer
    x = 1,843.64

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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.