Home / 3,974.20-5,483.82-2,402.44

Finding the Fourth Proportional to 3,974.20, 5,483.82 and 2,402.44

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Solution

The fourth proportional to 3,974.20, 5,483.82 and 2,402.44 is: 3,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.20 : 5,483.82 = 2,402.44 : x
  2. Step 2: Convert to fraction form
    3,974.20/5,483.82 = 2,402.44/x
  3. Step 3: Cross multiply
    3,974.20x = 5,483.82 × 2,402.44
  4. Step 4: Simplify right side
    3,974.20x = 13,174,548.52
  5. Step 5: Solve for x
    x = 13,174,548.52/3,974.20
  6. Step 6: Final answer
    x = 3,315.02

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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.