Home / 3,954.54-5,457.66-2,958.12

Finding the Fourth Proportional to 3,954.54, 5,457.66 and 2,958.12

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Solution

The fourth proportional to 3,954.54, 5,457.66 and 2,958.12 is: 4,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.54 : 5,457.66 = 2,958.12 : x
  2. Step 2: Convert to fraction form
    3,954.54/5,457.66 = 2,958.12/x
  3. Step 3: Cross multiply
    3,954.54x = 5,457.66 × 2,958.12
  4. Step 4: Simplify right side
    3,954.54x = 16,144,413.20
  5. Step 5: Solve for x
    x = 16,144,413.20/3,954.54
  6. Step 6: Final answer
    x = 4,082.50

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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.