Home / 3,954.96-5,458.39-2,382.75

Finding the Fourth Proportional to 3,954.96, 5,458.39 and 2,382.75

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Solution

The fourth proportional to 3,954.96, 5,458.39 and 2,382.75 is: 3,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.96 : 5,458.39 = 2,382.75 : x
  2. Step 2: Convert to fraction form
    3,954.96/5,458.39 = 2,382.75/x
  3. Step 3: Cross multiply
    3,954.96x = 5,458.39 × 2,382.75
  4. Step 4: Simplify right side
    3,954.96x = 13,005,972.82
  5. Step 5: Solve for x
    x = 13,005,972.82/3,954.96
  6. Step 6: Final answer
    x = 3,288.52

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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.