Home / 3,963.60-5,947.56-2,015.64

Finding the Fourth Proportional to 3,963.60, 5,947.56 and 2,015.64

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Solution

The fourth proportional to 3,963.60, 5,947.56 and 2,015.64 is: 3,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.60 : 5,947.56 = 2,015.64 : x
  2. Step 2: Convert to fraction form
    3,963.60/5,947.56 = 2,015.64/x
  3. Step 3: Cross multiply
    3,963.60x = 5,947.56 × 2,015.64
  4. Step 4: Simplify right side
    3,963.60x = 11,988,139.84
  5. Step 5: Solve for x
    x = 11,988,139.84/3,963.60
  6. Step 6: Final answer
    x = 3,024.56

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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.