Home / 3,126.34-4,684.31-2,199.95

Finding the Fourth Proportional to 3,126.34, 4,684.31 and 2,199.95

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Solution

The fourth proportional to 3,126.34, 4,684.31 and 2,199.95 is: 3,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.34 : 4,684.31 = 2,199.95 : x
  2. Step 2: Convert to fraction form
    3,126.34/4,684.31 = 2,199.95/x
  3. Step 3: Cross multiply
    3,126.34x = 4,684.31 × 2,199.95
  4. Step 4: Simplify right side
    3,126.34x = 10,305,251.25
  5. Step 5: Solve for x
    x = 10,305,251.25/3,126.34
  6. Step 6: Final answer
    x = 3,296.27

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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.