Home / 3,366.47-5,049.36-1,391.54

Finding the Fourth Proportional to 3,366.47, 5,049.36 and 1,391.54

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Solution

The fourth proportional to 3,366.47, 5,049.36 and 1,391.54 is: 2,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.47 : 5,049.36 = 1,391.54 : x
  2. Step 2: Convert to fraction form
    3,366.47/5,049.36 = 1,391.54/x
  3. Step 3: Cross multiply
    3,366.47x = 5,049.36 × 1,391.54
  4. Step 4: Simplify right side
    3,366.47x = 7,026,361.17
  5. Step 5: Solve for x
    x = 7,026,361.17/3,366.47
  6. Step 6: Final answer
    x = 2,087.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.