Home / 2,849.29-3,932.40-1,730.68

Finding the Fourth Proportional to 2,849.29, 3,932.40 and 1,730.68

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Solution

The fourth proportional to 2,849.29, 3,932.40 and 1,730.68 is: 2,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.29 : 3,932.40 = 1,730.68 : x
  2. Step 2: Convert to fraction form
    2,849.29/3,932.40 = 1,730.68/x
  3. Step 3: Cross multiply
    2,849.29x = 3,932.40 × 1,730.68
  4. Step 4: Simplify right side
    2,849.29x = 6,805,726.03
  5. Step 5: Solve for x
    x = 6,805,726.03/2,849.29
  6. Step 6: Final answer
    x = 2,388.57

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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.