Home / 2,849.87-3,932.82-1,670.94

Finding the Fourth Proportional to 2,849.87, 3,932.82 and 1,670.94

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Solution

The fourth proportional to 2,849.87, 3,932.82 and 1,670.94 is: 2,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.87 : 3,932.82 = 1,670.94 : x
  2. Step 2: Convert to fraction form
    2,849.87/3,932.82 = 1,670.94/x
  3. Step 3: Cross multiply
    2,849.87x = 3,932.82 × 1,670.94
  4. Step 4: Simplify right side
    2,849.87x = 6,571,506.25
  5. Step 5: Solve for x
    x = 6,571,506.25/2,849.87
  6. Step 6: Final answer
    x = 2,305.90

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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.