Home / 2,746.72-4,120.62-1,015.36

Finding the Fourth Proportional to 2,746.72, 4,120.62 and 1,015.36

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Solution

The fourth proportional to 2,746.72, 4,120.62 and 1,015.36 is: 1,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.72 : 4,120.62 = 1,015.36 : x
  2. Step 2: Convert to fraction form
    2,746.72/4,120.62 = 1,015.36/x
  3. Step 3: Cross multiply
    2,746.72x = 4,120.62 × 1,015.36
  4. Step 4: Simplify right side
    2,746.72x = 4,183,912.72
  5. Step 5: Solve for x
    x = 4,183,912.72/2,746.72
  6. Step 6: Final answer
    x = 1,523.24

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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.