Home / 2,171.48-2,996.62-1,176.75

Finding the Fourth Proportional to 2,171.48, 2,996.62 and 1,176.75

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Solution

The fourth proportional to 2,171.48, 2,996.62 and 1,176.75 is: 1,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.48 : 2,996.62 = 1,176.75 : x
  2. Step 2: Convert to fraction form
    2,171.48/2,996.62 = 1,176.75/x
  3. Step 3: Cross multiply
    2,171.48x = 2,996.62 × 1,176.75
  4. Step 4: Simplify right side
    2,171.48x = 3,526,269.64
  5. Step 5: Solve for x
    x = 3,526,269.64/2,171.48
  6. Step 6: Final answer
    x = 1,623.91

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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.