Home / 3,981.06-5,941.49-3,877.38

Finding the Fourth Proportional to 3,981.06, 5,941.49 and 3,877.38

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Solution

The fourth proportional to 3,981.06, 5,941.49 and 3,877.38 is: 5,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.06 : 5,941.49 = 3,877.38 : x
  2. Step 2: Convert to fraction form
    3,981.06/5,941.49 = 3,877.38/x
  3. Step 3: Cross multiply
    3,981.06x = 5,941.49 × 3,877.38
  4. Step 4: Simplify right side
    3,981.06x = 23,037,395.11
  5. Step 5: Solve for x
    x = 23,037,395.11/3,981.06
  6. Step 6: Final answer
    x = 5,786.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.