Home / 3,876.45-5,814.93-1,103.33

Finding the Fourth Proportional to 3,876.45, 5,814.93 and 1,103.33

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Solution

The fourth proportional to 3,876.45, 5,814.93 and 1,103.33 is: 1,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.45 : 5,814.93 = 1,103.33 : x
  2. Step 2: Convert to fraction form
    3,876.45/5,814.93 = 1,103.33/x
  3. Step 3: Cross multiply
    3,876.45x = 5,814.93 × 1,103.33
  4. Step 4: Simplify right side
    3,876.45x = 6,415,786.72
  5. Step 5: Solve for x
    x = 6,415,786.72/3,876.45
  6. Step 6: Final answer
    x = 1,655.07

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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.