Home / 2,721.08-4,079.46-1,181

Finding the Fourth Proportional to 2,721.08, 4,079.46 and 1,181

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Solution

The fourth proportional to 2,721.08, 4,079.46 and 1,181 is: 1,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.08 : 4,079.46 = 1,181 : x
  2. Step 2: Convert to fraction form
    2,721.08/4,079.46 = 1,181/x
  3. Step 3: Cross multiply
    2,721.08x = 4,079.46 × 1,181
  4. Step 4: Simplify right side
    2,721.08x = 4,817,842.26
  5. Step 5: Solve for x
    x = 4,817,842.26/2,721.08
  6. Step 6: Final answer
    x = 1,770.56

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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.