Home / 2,288.37-3,158.44-1,448.54

Finding the Fourth Proportional to 2,288.37, 3,158.44 and 1,448.54

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Solution

The fourth proportional to 2,288.37, 3,158.44 and 1,448.54 is: 1,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.37 : 3,158.44 = 1,448.54 : x
  2. Step 2: Convert to fraction form
    2,288.37/3,158.44 = 1,448.54/x
  3. Step 3: Cross multiply
    2,288.37x = 3,158.44 × 1,448.54
  4. Step 4: Simplify right side
    2,288.37x = 4,575,126.68
  5. Step 5: Solve for x
    x = 4,575,126.68/2,288.37
  6. Step 6: Final answer
    x = 1,999.29

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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.