Home / 3,146.88-4,340.48-2,027.84

Finding the Fourth Proportional to 3,146.88, 4,340.48 and 2,027.84

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Solution

The fourth proportional to 3,146.88, 4,340.48 and 2,027.84 is: 2,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.88 : 4,340.48 = 2,027.84 : x
  2. Step 2: Convert to fraction form
    3,146.88/4,340.48 = 2,027.84/x
  3. Step 3: Cross multiply
    3,146.88x = 4,340.48 × 2,027.84
  4. Step 4: Simplify right side
    3,146.88x = 8,801,798.96
  5. Step 5: Solve for x
    x = 8,801,798.96/3,146.88
  6. Step 6: Final answer
    x = 2,796.99

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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.