Home / 3,985.20-5,966.11-2,795.11

Finding the Fourth Proportional to 3,985.20, 5,966.11 and 2,795.11

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Solution

The fourth proportional to 3,985.20, 5,966.11 and 2,795.11 is: 4,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.20 : 5,966.11 = 2,795.11 : x
  2. Step 2: Convert to fraction form
    3,985.20/5,966.11 = 2,795.11/x
  3. Step 3: Cross multiply
    3,985.20x = 5,966.11 × 2,795.11
  4. Step 4: Simplify right side
    3,985.20x = 16,675,933.72
  5. Step 5: Solve for x
    x = 16,675,933.72/3,985.20
  6. Step 6: Final answer
    x = 4,184.47

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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.