Home / 2,759.24-4,139.15-1,372.92

Finding the Fourth Proportional to 2,759.24, 4,139.15 and 1,372.92

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Solution

The fourth proportional to 2,759.24, 4,139.15 and 1,372.92 is: 2,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.24 : 4,139.15 = 1,372.92 : x
  2. Step 2: Convert to fraction form
    2,759.24/4,139.15 = 1,372.92/x
  3. Step 3: Cross multiply
    2,759.24x = 4,139.15 × 1,372.92
  4. Step 4: Simplify right side
    2,759.24x = 5,682,714.95
  5. Step 5: Solve for x
    x = 5,682,714.95/2,759.24
  6. Step 6: Final answer
    x = 2,059.53

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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.