Home / 3,966.73-5,474.67-2,287.81

Finding the Fourth Proportional to 3,966.73, 5,474.67 and 2,287.81

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Solution

The fourth proportional to 3,966.73, 5,474.67 and 2,287.81 is: 3,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.73 : 5,474.67 = 2,287.81 : x
  2. Step 2: Convert to fraction form
    3,966.73/5,474.67 = 2,287.81/x
  3. Step 3: Cross multiply
    3,966.73x = 5,474.67 × 2,287.81
  4. Step 4: Simplify right side
    3,966.73x = 12,525,004.77
  5. Step 5: Solve for x
    x = 12,525,004.77/3,966.73
  6. Step 6: Final answer
    x = 3,157.51

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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.