Home / 2,672.15-3,686.82-1,727.97

Finding the Fourth Proportional to 2,672.15, 3,686.82 and 1,727.97

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Solution

The fourth proportional to 2,672.15, 3,686.82 and 1,727.97 is: 2,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.15 : 3,686.82 = 1,727.97 : x
  2. Step 2: Convert to fraction form
    2,672.15/3,686.82 = 1,727.97/x
  3. Step 3: Cross multiply
    2,672.15x = 3,686.82 × 1,727.97
  4. Step 4: Simplify right side
    2,672.15x = 6,370,714.36
  5. Step 5: Solve for x
    x = 6,370,714.36/2,672.15
  6. Step 6: Final answer
    x = 2,384.12

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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.