Home / 2,912.82-4,360.80-2,612.36

Finding the Fourth Proportional to 2,912.82, 4,360.80 and 2,612.36

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Solution

The fourth proportional to 2,912.82, 4,360.80 and 2,612.36 is: 3,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.82 : 4,360.80 = 2,612.36 : x
  2. Step 2: Convert to fraction form
    2,912.82/4,360.80 = 2,612.36/x
  3. Step 3: Cross multiply
    2,912.82x = 4,360.80 × 2,612.36
  4. Step 4: Simplify right side
    2,912.82x = 11,391,979.49
  5. Step 5: Solve for x
    x = 11,391,979.49/2,912.82
  6. Step 6: Final answer
    x = 3,910.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.