Home / 3,815.14-5,264.82-2,222.08

Finding the Fourth Proportional to 3,815.14, 5,264.82 and 2,222.08

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Solution

The fourth proportional to 3,815.14, 5,264.82 and 2,222.08 is: 3,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.14 : 5,264.82 = 2,222.08 : x
  2. Step 2: Convert to fraction form
    3,815.14/5,264.82 = 2,222.08/x
  3. Step 3: Cross multiply
    3,815.14x = 5,264.82 × 2,222.08
  4. Step 4: Simplify right side
    3,815.14x = 11,698,851.23
  5. Step 5: Solve for x
    x = 11,698,851.23/3,815.14
  6. Step 6: Final answer
    x = 3,066.43

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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.