Home / 3,521.80-5,282.72-2,422.86

Finding the Fourth Proportional to 3,521.80, 5,282.72 and 2,422.86

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Solution

The fourth proportional to 3,521.80, 5,282.72 and 2,422.86 is: 3,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.80 : 5,282.72 = 2,422.86 : x
  2. Step 2: Convert to fraction form
    3,521.80/5,282.72 = 2,422.86/x
  3. Step 3: Cross multiply
    3,521.80x = 5,282.72 × 2,422.86
  4. Step 4: Simplify right side
    3,521.80x = 12,799,290.98
  5. Step 5: Solve for x
    x = 12,799,290.98/3,521.80
  6. Step 6: Final answer
    x = 3,634.30

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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.