Home / 3,810.27-5,715.99-1,619.58

Finding the Fourth Proportional to 3,810.27, 5,715.99 and 1,619.58

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Solution

The fourth proportional to 3,810.27, 5,715.99 and 1,619.58 is: 2,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.27 : 5,715.99 = 1,619.58 : x
  2. Step 2: Convert to fraction form
    3,810.27/5,715.99 = 1,619.58/x
  3. Step 3: Cross multiply
    3,810.27x = 5,715.99 × 1,619.58
  4. Step 4: Simplify right side
    3,810.27x = 9,257,503.08
  5. Step 5: Solve for x
    x = 9,257,503.08/3,810.27
  6. Step 6: Final answer
    x = 2,429.62

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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.