Home / 3,167.30-4,369.80-1,839.91

Finding the Fourth Proportional to 3,167.30, 4,369.80 and 1,839.91

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Solution

The fourth proportional to 3,167.30, 4,369.80 and 1,839.91 is: 2,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.30 : 4,369.80 = 1,839.91 : x
  2. Step 2: Convert to fraction form
    3,167.30/4,369.80 = 1,839.91/x
  3. Step 3: Cross multiply
    3,167.30x = 4,369.80 × 1,839.91
  4. Step 4: Simplify right side
    3,167.30x = 8,040,020.89
  5. Step 5: Solve for x
    x = 8,040,020.89/3,167.30
  6. Step 6: Final answer
    x = 2,538.45

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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.