Home / 2,765.44-3,815.86-1,586.29

Finding the Fourth Proportional to 2,765.44, 3,815.86 and 1,586.29

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Solution

The fourth proportional to 2,765.44, 3,815.86 and 1,586.29 is: 2,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.44 : 3,815.86 = 1,586.29 : x
  2. Step 2: Convert to fraction form
    2,765.44/3,815.86 = 1,586.29/x
  3. Step 3: Cross multiply
    2,765.44x = 3,815.86 × 1,586.29
  4. Step 4: Simplify right side
    2,765.44x = 6,053,060.56
  5. Step 5: Solve for x
    x = 6,053,060.56/2,765.44
  6. Step 6: Final answer
    x = 2,188.82

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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.