Home / 3,988.42-5,983.23-2,039.96

Finding the Fourth Proportional to 3,988.42, 5,983.23 and 2,039.96

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Solution

The fourth proportional to 3,988.42, 5,983.23 and 2,039.96 is: 3,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.42 : 5,983.23 = 2,039.96 : x
  2. Step 2: Convert to fraction form
    3,988.42/5,983.23 = 2,039.96/x
  3. Step 3: Cross multiply
    3,988.42x = 5,983.23 × 2,039.96
  4. Step 4: Simplify right side
    3,988.42x = 12,205,549.87
  5. Step 5: Solve for x
    x = 12,205,549.87/3,988.42
  6. Step 6: Final answer
    x = 3,060.25

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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.