Home / 1,996.22-2,754.62-1,145.51

Finding the Fourth Proportional to 1,996.22, 2,754.62 and 1,145.51

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Solution

The fourth proportional to 1,996.22, 2,754.62 and 1,145.51 is: 1,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.22 : 2,754.62 = 1,145.51 : x
  2. Step 2: Convert to fraction form
    1,996.22/2,754.62 = 1,145.51/x
  3. Step 3: Cross multiply
    1,996.22x = 2,754.62 × 1,145.51
  4. Step 4: Simplify right side
    1,996.22x = 3,155,444.76
  5. Step 5: Solve for x
    x = 3,155,444.76/1,996.22
  6. Step 6: Final answer
    x = 1,580.71

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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.