Home / 3,117.27-4,676.89-1,361.46

Finding the Fourth Proportional to 3,117.27, 4,676.89 and 1,361.46

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Solution

The fourth proportional to 3,117.27, 4,676.89 and 1,361.46 is: 2,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.27 : 4,676.89 = 1,361.46 : x
  2. Step 2: Convert to fraction form
    3,117.27/4,676.89 = 1,361.46/x
  3. Step 3: Cross multiply
    3,117.27x = 4,676.89 × 1,361.46
  4. Step 4: Simplify right side
    3,117.27x = 6,367,398.66
  5. Step 5: Solve for x
    x = 6,367,398.66/3,117.27
  6. Step 6: Final answer
    x = 2,042.62

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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.