Home / 2,865.11-4,299.12-1,304.91

Finding the Fourth Proportional to 2,865.11, 4,299.12 and 1,304.91

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Solution

The fourth proportional to 2,865.11, 4,299.12 and 1,304.91 is: 1,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.11 : 4,299.12 = 1,304.91 : x
  2. Step 2: Convert to fraction form
    2,865.11/4,299.12 = 1,304.91/x
  3. Step 3: Cross multiply
    2,865.11x = 4,299.12 × 1,304.91
  4. Step 4: Simplify right side
    2,865.11x = 5,609,964.68
  5. Step 5: Solve for x
    x = 5,609,964.68/2,865.11
  6. Step 6: Final answer
    x = 1,958.03

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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.