Home / 2,849.18-3,930.81-1,669.82

Finding the Fourth Proportional to 2,849.18, 3,930.81 and 1,669.82

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Solution

The fourth proportional to 2,849.18, 3,930.81 and 1,669.82 is: 2,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.18 : 3,930.81 = 1,669.82 : x
  2. Step 2: Convert to fraction form
    2,849.18/3,930.81 = 1,669.82/x
  3. Step 3: Cross multiply
    2,849.18x = 3,930.81 × 1,669.82
  4. Step 4: Simplify right side
    2,849.18x = 6,563,745.15
  5. Step 5: Solve for x
    x = 6,563,745.15/2,849.18
  6. Step 6: Final answer
    x = 2,303.73

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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.