Home / 2,849.85-3,932.79-1,730.49

Finding the Fourth Proportional to 2,849.85, 3,932.79 and 1,730.49

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Solution

The fourth proportional to 2,849.85, 3,932.79 and 1,730.49 is: 2,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.85 : 3,932.79 = 1,730.49 : x
  2. Step 2: Convert to fraction form
    2,849.85/3,932.79 = 1,730.49/x
  3. Step 3: Cross multiply
    2,849.85x = 3,932.79 × 1,730.49
  4. Step 4: Simplify right side
    2,849.85x = 6,805,653.77
  5. Step 5: Solve for x
    x = 6,805,653.77/2,849.85
  6. Step 6: Final answer
    x = 2,388.07

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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.