Home / 3,814.82-5,722.26-1,866.50

Finding the Fourth Proportional to 3,814.82, 5,722.26 and 1,866.50

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Solution

The fourth proportional to 3,814.82, 5,722.26 and 1,866.50 is: 2,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.82 : 5,722.26 = 1,866.50 : x
  2. Step 2: Convert to fraction form
    3,814.82/5,722.26 = 1,866.50/x
  3. Step 3: Cross multiply
    3,814.82x = 5,722.26 × 1,866.50
  4. Step 4: Simplify right side
    3,814.82x = 10,680,598.29
  5. Step 5: Solve for x
    x = 10,680,598.29/3,814.82
  6. Step 6: Final answer
    x = 2,799.76

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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.