Home / 3,620.70-4,996.89-2,127.87

Finding the Fourth Proportional to 3,620.70, 4,996.89 and 2,127.87

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Solution

The fourth proportional to 3,620.70, 4,996.89 and 2,127.87 is: 2,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.70 : 4,996.89 = 2,127.87 : x
  2. Step 2: Convert to fraction form
    3,620.70/4,996.89 = 2,127.87/x
  3. Step 3: Cross multiply
    3,620.70x = 4,996.89 × 2,127.87
  4. Step 4: Simplify right side
    3,620.70x = 10,632,732.32
  5. Step 5: Solve for x
    x = 10,632,732.32/3,620.70
  6. Step 6: Final answer
    x = 2,936.65

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1.5x scale

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.