Home / 3,027.21-4,175.04-2,133.92

Finding the Fourth Proportional to 3,027.21, 4,175.04 and 2,133.92

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Solution

The fourth proportional to 3,027.21, 4,175.04 and 2,133.92 is: 2,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.21 : 4,175.04 = 2,133.92 : x
  2. Step 2: Convert to fraction form
    3,027.21/4,175.04 = 2,133.92/x
  3. Step 3: Cross multiply
    3,027.21x = 4,175.04 × 2,133.92
  4. Step 4: Simplify right side
    3,027.21x = 8,909,208.05
  5. Step 5: Solve for x
    x = 8,909,208.05/3,027.21
  6. Step 6: Final answer
    x = 2,943.04

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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.