Home / 3,047.88-4,202.10-2,627.76

Finding the Fourth Proportional to 3,047.88, 4,202.10 and 2,627.76

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Solution

The fourth proportional to 3,047.88, 4,202.10 and 2,627.76 is: 3,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.88 : 4,202.10 = 2,627.76 : x
  2. Step 2: Convert to fraction form
    3,047.88/4,202.10 = 2,627.76/x
  3. Step 3: Cross multiply
    3,047.88x = 4,202.10 × 2,627.76
  4. Step 4: Simplify right side
    3,047.88x = 11,042,110.30
  5. Step 5: Solve for x
    x = 11,042,110.30/3,047.88
  6. Step 6: Final answer
    x = 3,622.88

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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.