Home / 3,722.52-5,137.14-2,043.90

Finding the Fourth Proportional to 3,722.52, 5,137.14 and 2,043.90

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Solution

The fourth proportional to 3,722.52, 5,137.14 and 2,043.90 is: 2,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.52 : 5,137.14 = 2,043.90 : x
  2. Step 2: Convert to fraction form
    3,722.52/5,137.14 = 2,043.90/x
  3. Step 3: Cross multiply
    3,722.52x = 5,137.14 × 2,043.90
  4. Step 4: Simplify right side
    3,722.52x = 10,499,800.45
  5. Step 5: Solve for x
    x = 10,499,800.45/3,722.52
  6. Step 6: Final answer
    x = 2,820.62

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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.