Home / 1,947.51-2,917.62-1,512.54

Finding the Fourth Proportional to 1,947.51, 2,917.62 and 1,512.54

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Solution

The fourth proportional to 1,947.51, 2,917.62 and 1,512.54 is: 2,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.51 : 2,917.62 = 1,512.54 : x
  2. Step 2: Convert to fraction form
    1,947.51/2,917.62 = 1,512.54/x
  3. Step 3: Cross multiply
    1,947.51x = 2,917.62 × 1,512.54
  4. Step 4: Simplify right side
    1,947.51x = 4,413,016.95
  5. Step 5: Solve for x
    x = 4,413,016.95/1,947.51
  6. Step 6: Final answer
    x = 2,265.98

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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.