Home / 3,820.82-5,731.23-2,521.98

Finding the Fourth Proportional to 3,820.82, 5,731.23 and 2,521.98

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Solution

The fourth proportional to 3,820.82, 5,731.23 and 2,521.98 is: 3,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.82 : 5,731.23 = 2,521.98 : x
  2. Step 2: Convert to fraction form
    3,820.82/5,731.23 = 2,521.98/x
  3. Step 3: Cross multiply
    3,820.82x = 5,731.23 × 2,521.98
  4. Step 4: Simplify right side
    3,820.82x = 14,454,055.46
  5. Step 5: Solve for x
    x = 14,454,055.46/3,820.82
  6. Step 6: Final answer
    x = 3,782.97

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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.