Home / 1,218.06-1,825.56-1,043.82

Finding the Fourth Proportional to 1,218.06, 1,825.56 and 1,043.82

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Solution

The fourth proportional to 1,218.06, 1,825.56 and 1,043.82 is: 1,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.06 : 1,825.56 = 1,043.82 : x
  2. Step 2: Convert to fraction form
    1,218.06/1,825.56 = 1,043.82/x
  3. Step 3: Cross multiply
    1,218.06x = 1,825.56 × 1,043.82
  4. Step 4: Simplify right side
    1,218.06x = 1,905,556.04
  5. Step 5: Solve for x
    x = 1,905,556.04/1,218.06
  6. Step 6: Final answer
    x = 1,564.42

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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.