Home / 3,988.80-5,971.23-2,423.97

Finding the Fourth Proportional to 3,988.80, 5,971.23 and 2,423.97

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Solution

The fourth proportional to 3,988.80, 5,971.23 and 2,423.97 is: 3,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.80 : 5,971.23 = 2,423.97 : x
  2. Step 2: Convert to fraction form
    3,988.80/5,971.23 = 2,423.97/x
  3. Step 3: Cross multiply
    3,988.80x = 5,971.23 × 2,423.97
  4. Step 4: Simplify right side
    3,988.80x = 14,474,082.38
  5. Step 5: Solve for x
    x = 14,474,082.38/3,988.80
  6. Step 6: Final answer
    x = 3,628.68

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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.