Home / 3,966.21-5,949.29-1,369.11

Finding the Fourth Proportional to 3,966.21, 5,949.29 and 1,369.11

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Solution

The fourth proportional to 3,966.21, 5,949.29 and 1,369.11 is: 2,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.21 : 5,949.29 = 1,369.11 : x
  2. Step 2: Convert to fraction form
    3,966.21/5,949.29 = 1,369.11/x
  3. Step 3: Cross multiply
    3,966.21x = 5,949.29 × 1,369.11
  4. Step 4: Simplify right side
    3,966.21x = 8,145,225.59
  5. Step 5: Solve for x
    x = 8,145,225.59/3,966.21
  6. Step 6: Final answer
    x = 2,053.65

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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.