Home / 2,849.69-3,932.09-1,903.96

Finding the Fourth Proportional to 2,849.69, 3,932.09 and 1,903.96

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Solution

The fourth proportional to 2,849.69, 3,932.09 and 1,903.96 is: 2,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.69 : 3,932.09 = 1,903.96 : x
  2. Step 2: Convert to fraction form
    2,849.69/3,932.09 = 1,903.96/x
  3. Step 3: Cross multiply
    2,849.69x = 3,932.09 × 1,903.96
  4. Step 4: Simplify right side
    2,849.69x = 7,486,537.01
  5. Step 5: Solve for x
    x = 7,486,537.01/2,849.69
  6. Step 6: Final answer
    x = 2,627.15

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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.