Home / 2,481.76-3,720.81-1,184.14

Finding the Fourth Proportional to 2,481.76, 3,720.81 and 1,184.14

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Solution

The fourth proportional to 2,481.76, 3,720.81 and 1,184.14 is: 1,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.76 : 3,720.81 = 1,184.14 : x
  2. Step 2: Convert to fraction form
    2,481.76/3,720.81 = 1,184.14/x
  3. Step 3: Cross multiply
    2,481.76x = 3,720.81 × 1,184.14
  4. Step 4: Simplify right side
    2,481.76x = 4,405,959.95
  5. Step 5: Solve for x
    x = 4,405,959.95/2,481.76
  6. Step 6: Final answer
    x = 1,775.34

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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.