Home / 2,448.40-3,674.16-1,216.48

Finding the Fourth Proportional to 2,448.40, 3,674.16 and 1,216.48

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Solution

The fourth proportional to 2,448.40, 3,674.16 and 1,216.48 is: 1,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.40 : 3,674.16 = 1,216.48 : x
  2. Step 2: Convert to fraction form
    2,448.40/3,674.16 = 1,216.48/x
  3. Step 3: Cross multiply
    2,448.40x = 3,674.16 × 1,216.48
  4. Step 4: Simplify right side
    2,448.40x = 4,469,542.16
  5. Step 5: Solve for x
    x = 4,469,542.16/2,448.40
  6. Step 6: Final answer
    x = 1,825.50

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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.