Home / 3,849.21-5,775.98-1,901.43

Finding the Fourth Proportional to 3,849.21, 5,775.98 and 1,901.43

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Solution

The fourth proportional to 3,849.21, 5,775.98 and 1,901.43 is: 2,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.21 : 5,775.98 = 1,901.43 : x
  2. Step 2: Convert to fraction form
    3,849.21/5,775.98 = 1,901.43/x
  3. Step 3: Cross multiply
    3,849.21x = 5,775.98 × 1,901.43
  4. Step 4: Simplify right side
    3,849.21x = 10,982,612.14
  5. Step 5: Solve for x
    x = 10,982,612.14/3,849.21
  6. Step 6: Final answer
    x = 2,853.21

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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.