Home / 1,556.39-2,147.97-1,162.73

Finding the Fourth Proportional to 1,556.39, 2,147.97 and 1,162.73

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Solution

The fourth proportional to 1,556.39, 2,147.97 and 1,162.73 is: 1,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.39 : 2,147.97 = 1,162.73 : x
  2. Step 2: Convert to fraction form
    1,556.39/2,147.97 = 1,162.73/x
  3. Step 3: Cross multiply
    1,556.39x = 2,147.97 × 1,162.73
  4. Step 4: Simplify right side
    1,556.39x = 2,497,498.42
  5. Step 5: Solve for x
    x = 2,497,498.42/1,556.39
  6. Step 6: Final answer
    x = 1,604.68

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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.