Home / 3,988.72-5,977.60-2,036.82

Finding the Fourth Proportional to 3,988.72, 5,977.60 and 2,036.82

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Solution

The fourth proportional to 3,988.72, 5,977.60 and 2,036.82 is: 3,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.72 : 5,977.60 = 2,036.82 : x
  2. Step 2: Convert to fraction form
    3,988.72/5,977.60 = 2,036.82/x
  3. Step 3: Cross multiply
    3,988.72x = 5,977.60 × 2,036.82
  4. Step 4: Simplify right side
    3,988.72x = 12,175,295.23
  5. Step 5: Solve for x
    x = 12,175,295.23/3,988.72
  6. Step 6: Final answer
    x = 3,052.43

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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.