Home / 2,895.29-3,996.84-2,791.41

Finding the Fourth Proportional to 2,895.29, 3,996.84 and 2,791.41

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Solution

The fourth proportional to 2,895.29, 3,996.84 and 2,791.41 is: 3,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.29 : 3,996.84 = 2,791.41 : x
  2. Step 2: Convert to fraction form
    2,895.29/3,996.84 = 2,791.41/x
  3. Step 3: Cross multiply
    2,895.29x = 3,996.84 × 2,791.41
  4. Step 4: Simplify right side
    2,895.29x = 11,156,837.11
  5. Step 5: Solve for x
    x = 11,156,837.11/2,895.29
  6. Step 6: Final answer
    x = 3,853.44

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1.5x scale

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.