Home / 3,818.08-5,268.80-2,162.08

Finding the Fourth Proportional to 3,818.08, 5,268.80 and 2,162.08

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Solution

The fourth proportional to 3,818.08, 5,268.80 and 2,162.08 is: 2,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.08 : 5,268.80 = 2,162.08 : x
  2. Step 2: Convert to fraction form
    3,818.08/5,268.80 = 2,162.08/x
  3. Step 3: Cross multiply
    3,818.08x = 5,268.80 × 2,162.08
  4. Step 4: Simplify right side
    3,818.08x = 11,391,567.10
  5. Step 5: Solve for x
    x = 11,391,567.10/3,818.08
  6. Step 6: Final answer
    x = 2,983.59

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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.