Home / 2,761.63-4,142.68-1,201.69

Finding the Fourth Proportional to 2,761.63, 4,142.68 and 1,201.69

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Solution

The fourth proportional to 2,761.63, 4,142.68 and 1,201.69 is: 1,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.63 : 4,142.68 = 1,201.69 : x
  2. Step 2: Convert to fraction form
    2,761.63/4,142.68 = 1,201.69/x
  3. Step 3: Cross multiply
    2,761.63x = 4,142.68 × 1,201.69
  4. Step 4: Simplify right side
    2,761.63x = 4,978,203.77
  5. Step 5: Solve for x
    x = 4,978,203.77/2,761.63
  6. Step 6: Final answer
    x = 1,802.63

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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.