Home / 2,481.07-3,721.69-1,247.81

Finding the Fourth Proportional to 2,481.07, 3,721.69 and 1,247.81

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Solution

The fourth proportional to 2,481.07, 3,721.69 and 1,247.81 is: 1,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.07 : 3,721.69 = 1,247.81 : x
  2. Step 2: Convert to fraction form
    2,481.07/3,721.69 = 1,247.81/x
  3. Step 3: Cross multiply
    2,481.07x = 3,721.69 × 1,247.81
  4. Step 4: Simplify right side
    2,481.07x = 4,643,954.23
  5. Step 5: Solve for x
    x = 4,643,954.23/2,481.07
  6. Step 6: Final answer
    x = 1,871.75

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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.