Home / 3,195.30-4,786.80-2,461.29

Finding the Fourth Proportional to 3,195.30, 4,786.80 and 2,461.29

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Solution

The fourth proportional to 3,195.30, 4,786.80 and 2,461.29 is: 3,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.30 : 4,786.80 = 2,461.29 : x
  2. Step 2: Convert to fraction form
    3,195.30/4,786.80 = 2,461.29/x
  3. Step 3: Cross multiply
    3,195.30x = 4,786.80 × 2,461.29
  4. Step 4: Simplify right side
    3,195.30x = 11,781,675.79
  5. Step 5: Solve for x
    x = 11,781,675.79/3,195.30
  6. Step 6: Final answer
    x = 3,687.19

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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.