Home / 1,556.73-2,148.60-894.03

Finding the Fourth Proportional to 1,556.73, 2,148.60 and 894.03

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Solution

The fourth proportional to 1,556.73, 2,148.60 and 894.03 is: 1,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.73 : 2,148.60 = 894.03 : x
  2. Step 2: Convert to fraction form
    1,556.73/2,148.60 = 894.03/x
  3. Step 3: Cross multiply
    1,556.73x = 2,148.60 × 894.03
  4. Step 4: Simplify right side
    1,556.73x = 1,920,912.86
  5. Step 5: Solve for x
    x = 1,920,912.86/1,556.73
  6. Step 6: Final answer
    x = 1,233.94

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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.