Home / 2,760.35-3,809.84-1,876.43

Finding the Fourth Proportional to 2,760.35, 3,809.84 and 1,876.43

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Solution

The fourth proportional to 2,760.35, 3,809.84 and 1,876.43 is: 2,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.35 : 3,809.84 = 1,876.43 : x
  2. Step 2: Convert to fraction form
    2,760.35/3,809.84 = 1,876.43/x
  3. Step 3: Cross multiply
    2,760.35x = 3,809.84 × 1,876.43
  4. Step 4: Simplify right side
    2,760.35x = 7,148,898.21
  5. Step 5: Solve for x
    x = 7,148,898.21/2,760.35
  6. Step 6: Final answer
    x = 2,589.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.