Home / 2,378.44-3,282.96-1,448.56

Finding the Fourth Proportional to 2,378.44, 3,282.96 and 1,448.56

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Solution

The fourth proportional to 2,378.44, 3,282.96 and 1,448.56 is: 1,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.44 : 3,282.96 = 1,448.56 : x
  2. Step 2: Convert to fraction form
    2,378.44/3,282.96 = 1,448.56/x
  3. Step 3: Cross multiply
    2,378.44x = 3,282.96 × 1,448.56
  4. Step 4: Simplify right side
    2,378.44x = 4,755,564.54
  5. Step 5: Solve for x
    x = 4,755,564.54/2,378.44
  6. Step 6: Final answer
    x = 1,999.45

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1.5x scale

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.