Home / 1,974.24-2,961.42-1,512.86

Finding the Fourth Proportional to 1,974.24, 2,961.42 and 1,512.86

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Solution

The fourth proportional to 1,974.24, 2,961.42 and 1,512.86 is: 2,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.24 : 2,961.42 = 1,512.86 : x
  2. Step 2: Convert to fraction form
    1,974.24/2,961.42 = 1,512.86/x
  3. Step 3: Cross multiply
    1,974.24x = 2,961.42 × 1,512.86
  4. Step 4: Simplify right side
    1,974.24x = 4,480,213.86
  5. Step 5: Solve for x
    x = 4,480,213.86/1,974.24
  6. Step 6: Final answer
    x = 2,269.34

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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.