Home / 3,990.29-5,986.04-2,348.42

Finding the Fourth Proportional to 3,990.29, 5,986.04 and 2,348.42

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Solution

The fourth proportional to 3,990.29, 5,986.04 and 2,348.42 is: 3,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.29 : 5,986.04 = 2,348.42 : x
  2. Step 2: Convert to fraction form
    3,990.29/5,986.04 = 2,348.42/x
  3. Step 3: Cross multiply
    3,990.29x = 5,986.04 × 2,348.42
  4. Step 4: Simplify right side
    3,990.29x = 14,057,694.38
  5. Step 5: Solve for x
    x = 14,057,694.38/3,990.29
  6. Step 6: Final answer
    x = 3,522.98

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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.