Home / 3,309-4,964.70-1,849.38

Finding the Fourth Proportional to 3,309, 4,964.70 and 1,849.38

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Solution

The fourth proportional to 3,309, 4,964.70 and 1,849.38 is: 2,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309 : 4,964.70 = 1,849.38 : x
  2. Step 2: Convert to fraction form
    3,309/4,964.70 = 1,849.38/x
  3. Step 3: Cross multiply
    3,309x = 4,964.70 × 1,849.38
  4. Step 4: Simplify right side
    3,309x = 9,181,616.89
  5. Step 5: Solve for x
    x = 9,181,616.89/3,309
  6. Step 6: Final answer
    x = 2,774.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.