Home / 2,171.37-2,996.49-1,176.66

Finding the Fourth Proportional to 2,171.37, 2,996.49 and 1,176.66

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Solution

The fourth proportional to 2,171.37, 2,996.49 and 1,176.66 is: 1,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.37 : 2,996.49 = 1,176.66 : x
  2. Step 2: Convert to fraction form
    2,171.37/2,996.49 = 1,176.66/x
  3. Step 3: Cross multiply
    2,171.37x = 2,996.49 × 1,176.66
  4. Step 4: Simplify right side
    2,171.37x = 3,525,834.94
  5. Step 5: Solve for x
    x = 3,525,834.94/2,171.37
  6. Step 6: Final answer
    x = 1,623.78

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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.