Home / 3,101.86-4,648.82-1,454.78

Finding the Fourth Proportional to 3,101.86, 4,648.82 and 1,454.78

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Solution

The fourth proportional to 3,101.86, 4,648.82 and 1,454.78 is: 2,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.86 : 4,648.82 = 1,454.78 : x
  2. Step 2: Convert to fraction form
    3,101.86/4,648.82 = 1,454.78/x
  3. Step 3: Cross multiply
    3,101.86x = 4,648.82 × 1,454.78
  4. Step 4: Simplify right side
    3,101.86x = 6,763,010.36
  5. Step 5: Solve for x
    x = 6,763,010.36/3,101.86
  6. Step 6: Final answer
    x = 2,180.31

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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.