Home / 2,895.12-4,338.66-1,249.38

Finding the Fourth Proportional to 2,895.12, 4,338.66 and 1,249.38

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Solution

The fourth proportional to 2,895.12, 4,338.66 and 1,249.38 is: 1,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.12 : 4,338.66 = 1,249.38 : x
  2. Step 2: Convert to fraction form
    2,895.12/4,338.66 = 1,249.38/x
  3. Step 3: Cross multiply
    2,895.12x = 4,338.66 × 1,249.38
  4. Step 4: Simplify right side
    2,895.12x = 5,420,635.03
  5. Step 5: Solve for x
    x = 5,420,635.03/2,895.12
  6. Step 6: Final answer
    x = 1,872.34

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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.