Home / 3,182.58-4,392.09-2,005.11

Finding the Fourth Proportional to 3,182.58, 4,392.09 and 2,005.11

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Solution

The fourth proportional to 3,182.58, 4,392.09 and 2,005.11 is: 2,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.58 : 4,392.09 = 2,005.11 : x
  2. Step 2: Convert to fraction form
    3,182.58/4,392.09 = 2,005.11/x
  3. Step 3: Cross multiply
    3,182.58x = 4,392.09 × 2,005.11
  4. Step 4: Simplify right side
    3,182.58x = 8,806,623.58
  5. Step 5: Solve for x
    x = 8,806,623.58/3,182.58
  6. Step 6: Final answer
    x = 2,767.13

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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.