Home / 3,449.12-4,761.23-2,331.56

Finding the Fourth Proportional to 3,449.12, 4,761.23 and 2,331.56

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Solution

The fourth proportional to 3,449.12, 4,761.23 and 2,331.56 is: 3,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.12 : 4,761.23 = 2,331.56 : x
  2. Step 2: Convert to fraction form
    3,449.12/4,761.23 = 2,331.56/x
  3. Step 3: Cross multiply
    3,449.12x = 4,761.23 × 2,331.56
  4. Step 4: Simplify right side
    3,449.12x = 11,101,093.66
  5. Step 5: Solve for x
    x = 11,101,093.66/3,449.12
  6. Step 6: Final answer
    x = 3,218.53

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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.