Home / 3,954.90-5,457.96-2,361.36

Finding the Fourth Proportional to 3,954.90, 5,457.96 and 2,361.36

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Solution

The fourth proportional to 3,954.90, 5,457.96 and 2,361.36 is: 3,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.90 : 5,457.96 = 2,361.36 : x
  2. Step 2: Convert to fraction form
    3,954.90/5,457.96 = 2,361.36/x
  3. Step 3: Cross multiply
    3,954.90x = 5,457.96 × 2,361.36
  4. Step 4: Simplify right side
    3,954.90x = 12,888,208.43
  5. Step 5: Solve for x
    x = 12,888,208.43/3,954.90
  6. Step 6: Final answer
    x = 3,258.80

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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.