Home / 3,027.43-4,179.50-2,790.30

Finding the Fourth Proportional to 3,027.43, 4,179.50 and 2,790.30

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Solution

The fourth proportional to 3,027.43, 4,179.50 and 2,790.30 is: 3,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.43 : 4,179.50 = 2,790.30 : x
  2. Step 2: Convert to fraction form
    3,027.43/4,179.50 = 2,790.30/x
  3. Step 3: Cross multiply
    3,027.43x = 4,179.50 × 2,790.30
  4. Step 4: Simplify right side
    3,027.43x = 11,662,058.85
  5. Step 5: Solve for x
    x = 11,662,058.85/3,027.43
  6. Step 6: Final answer
    x = 3,852.13

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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.