Home / 3,988.62-5,977.38-2,036.70

Finding the Fourth Proportional to 3,988.62, 5,977.38 and 2,036.70

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Solution

The fourth proportional to 3,988.62, 5,977.38 and 2,036.70 is: 3,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.62 : 5,977.38 = 2,036.70 : x
  2. Step 2: Convert to fraction form
    3,988.62/5,977.38 = 2,036.70/x
  3. Step 3: Cross multiply
    3,988.62x = 5,977.38 × 2,036.70
  4. Step 4: Simplify right side
    3,988.62x = 12,174,129.85
  5. Step 5: Solve for x
    x = 12,174,129.85/3,988.62
  6. Step 6: Final answer
    x = 3,052.22

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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.