Home / 3,331.12-4,961.75-3,162.64

Finding the Fourth Proportional to 3,331.12, 4,961.75 and 3,162.64

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Solution

The fourth proportional to 3,331.12, 4,961.75 and 3,162.64 is: 4,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.12 : 4,961.75 = 3,162.64 : x
  2. Step 2: Convert to fraction form
    3,331.12/4,961.75 = 3,162.64/x
  3. Step 3: Cross multiply
    3,331.12x = 4,961.75 × 3,162.64
  4. Step 4: Simplify right side
    3,331.12x = 15,692,229.02
  5. Step 5: Solve for x
    x = 15,692,229.02/3,331.12
  6. Step 6: Final answer
    x = 4,710.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.