Home / 2,679.90-4,021.01-1,037.61

Finding the Fourth Proportional to 2,679.90, 4,021.01 and 1,037.61

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Solution

The fourth proportional to 2,679.90, 4,021.01 and 1,037.61 is: 1,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.90 : 4,021.01 = 1,037.61 : x
  2. Step 2: Convert to fraction form
    2,679.90/4,021.01 = 1,037.61/x
  3. Step 3: Cross multiply
    2,679.90x = 4,021.01 × 1,037.61
  4. Step 4: Simplify right side
    2,679.90x = 4,172,235.00
  5. Step 5: Solve for x
    x = 4,172,235.00/2,679.90
  6. Step 6: Final answer
    x = 1,556.86

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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.