Home / 3,027.96-4,190.40-2,955.12

Finding the Fourth Proportional to 3,027.96, 4,190.40 and 2,955.12

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Solution

The fourth proportional to 3,027.96, 4,190.40 and 2,955.12 is: 4,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.96 : 4,190.40 = 2,955.12 : x
  2. Step 2: Convert to fraction form
    3,027.96/4,190.40 = 2,955.12/x
  3. Step 3: Cross multiply
    3,027.96x = 4,190.40 × 2,955.12
  4. Step 4: Simplify right side
    3,027.96x = 12,383,134.85
  5. Step 5: Solve for x
    x = 12,383,134.85/3,027.96
  6. Step 6: Final answer
    x = 4,089.60

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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.