Home / 1,647.43-2,272.77-1,204.56

Finding the Fourth Proportional to 1,647.43, 2,272.77 and 1,204.56

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Solution

The fourth proportional to 1,647.43, 2,272.77 and 1,204.56 is: 1,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.43 : 2,272.77 = 1,204.56 : x
  2. Step 2: Convert to fraction form
    1,647.43/2,272.77 = 1,204.56/x
  3. Step 3: Cross multiply
    1,647.43x = 2,272.77 × 1,204.56
  4. Step 4: Simplify right side
    1,647.43x = 2,737,686.33
  5. Step 5: Solve for x
    x = 2,737,686.33/1,647.43
  6. Step 6: Final answer
    x = 1,661.80

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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.