Home / 3,057.27-4,220.70-2,305.29

Finding the Fourth Proportional to 3,057.27, 4,220.70 and 2,305.29

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Solution

The fourth proportional to 3,057.27, 4,220.70 and 2,305.29 is: 3,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.27 : 4,220.70 = 2,305.29 : x
  2. Step 2: Convert to fraction form
    3,057.27/4,220.70 = 2,305.29/x
  3. Step 3: Cross multiply
    3,057.27x = 4,220.70 × 2,305.29
  4. Step 4: Simplify right side
    3,057.27x = 9,729,937.50
  5. Step 5: Solve for x
    x = 9,729,937.50/3,057.27
  6. Step 6: Final answer
    x = 3,182.56

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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.