Home / 3,814.26-5,715.51-1,867.80

Finding the Fourth Proportional to 3,814.26, 5,715.51 and 1,867.80

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Solution

The fourth proportional to 3,814.26, 5,715.51 and 1,867.80 is: 2,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.26 : 5,715.51 = 1,867.80 : x
  2. Step 2: Convert to fraction form
    3,814.26/5,715.51 = 1,867.80/x
  3. Step 3: Cross multiply
    3,814.26x = 5,715.51 × 1,867.80
  4. Step 4: Simplify right side
    3,814.26x = 10,675,429.58
  5. Step 5: Solve for x
    x = 10,675,429.58/3,814.26
  6. Step 6: Final answer
    x = 2,798.82

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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.