Home / 3,943.08-5,906.12-1,859.94

Finding the Fourth Proportional to 3,943.08, 5,906.12 and 1,859.94

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Solution

The fourth proportional to 3,943.08, 5,906.12 and 1,859.94 is: 2,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.08 : 5,906.12 = 1,859.94 : x
  2. Step 2: Convert to fraction form
    3,943.08/5,906.12 = 1,859.94/x
  3. Step 3: Cross multiply
    3,943.08x = 5,906.12 × 1,859.94
  4. Step 4: Simplify right side
    3,943.08x = 10,985,019.53
  5. Step 5: Solve for x
    x = 10,985,019.53/3,943.08
  6. Step 6: Final answer
    x = 2,785.90

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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.