Home / 3,427.45-4,728.65-2,168.03

Finding the Fourth Proportional to 3,427.45, 4,728.65 and 2,168.03

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Solution

The fourth proportional to 3,427.45, 4,728.65 and 2,168.03 is: 2,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.45 : 4,728.65 = 2,168.03 : x
  2. Step 2: Convert to fraction form
    3,427.45/4,728.65 = 2,168.03/x
  3. Step 3: Cross multiply
    3,427.45x = 4,728.65 × 2,168.03
  4. Step 4: Simplify right side
    3,427.45x = 10,251,856.04
  5. Step 5: Solve for x
    x = 10,251,856.04/3,427.45
  6. Step 6: Final answer
    x = 2,991.11

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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.