Home / 3,290.62-4,542.30-2,031.88

Finding the Fourth Proportional to 3,290.62, 4,542.30 and 2,031.88

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Solution

The fourth proportional to 3,290.62, 4,542.30 and 2,031.88 is: 2,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.62 : 4,542.30 = 2,031.88 : x
  2. Step 2: Convert to fraction form
    3,290.62/4,542.30 = 2,031.88/x
  3. Step 3: Cross multiply
    3,290.62x = 4,542.30 × 2,031.88
  4. Step 4: Simplify right side
    3,290.62x = 9,229,408.52
  5. Step 5: Solve for x
    x = 9,229,408.52/3,290.62
  6. Step 6: Final answer
    x = 2,804.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.