Home / 2,270.22-3,133.07-1,275.58

Finding the Fourth Proportional to 2,270.22, 3,133.07 and 1,275.58

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Solution

The fourth proportional to 2,270.22, 3,133.07 and 1,275.58 is: 1,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.22 : 3,133.07 = 1,275.58 : x
  2. Step 2: Convert to fraction form
    2,270.22/3,133.07 = 1,275.58/x
  3. Step 3: Cross multiply
    2,270.22x = 3,133.07 × 1,275.58
  4. Step 4: Simplify right side
    2,270.22x = 3,996,481.43
  5. Step 5: Solve for x
    x = 3,996,481.43/2,270.22
  6. Step 6: Final answer
    x = 1,760.39

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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.