Home / 3,954.68-5,457.54-2,382.44

Finding the Fourth Proportional to 3,954.68, 5,457.54 and 2,382.44

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Solution

The fourth proportional to 3,954.68, 5,457.54 and 2,382.44 is: 3,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.68 : 5,457.54 = 2,382.44 : x
  2. Step 2: Convert to fraction form
    3,954.68/5,457.54 = 2,382.44/x
  3. Step 3: Cross multiply
    3,954.68x = 5,457.54 × 2,382.44
  4. Step 4: Simplify right side
    3,954.68x = 13,002,261.60
  5. Step 5: Solve for x
    x = 13,002,261.60/3,954.68
  6. Step 6: Final answer
    x = 3,287.82

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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.