Home / 3,627.56-5,006.43-2,135.84

Finding the Fourth Proportional to 3,627.56, 5,006.43 and 2,135.84

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Solution

The fourth proportional to 3,627.56, 5,006.43 and 2,135.84 is: 2,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.56 : 5,006.43 = 2,135.84 : x
  2. Step 2: Convert to fraction form
    3,627.56/5,006.43 = 2,135.84/x
  3. Step 3: Cross multiply
    3,627.56x = 5,006.43 × 2,135.84
  4. Step 4: Simplify right side
    3,627.56x = 10,692,933.45
  5. Step 5: Solve for x
    x = 10,692,933.45/3,627.56
  6. Step 6: Final answer
    x = 2,947.69

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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.