Home / 3,027.88-4,179.48-1,910.68

Finding the Fourth Proportional to 3,027.88, 4,179.48 and 1,910.68

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Solution

The fourth proportional to 3,027.88, 4,179.48 and 1,910.68 is: 2,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.88 : 4,179.48 = 1,910.68 : x
  2. Step 2: Convert to fraction form
    3,027.88/4,179.48 = 1,910.68/x
  3. Step 3: Cross multiply
    3,027.88x = 4,179.48 × 1,910.68
  4. Step 4: Simplify right side
    3,027.88x = 7,985,648.85
  5. Step 5: Solve for x
    x = 7,985,648.85/3,027.88
  6. Step 6: Final answer
    x = 2,637.37

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1.5x scale

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.