Home / 3,813.23-5,718.90-1,039.91

Finding the Fourth Proportional to 3,813.23, 5,718.90 and 1,039.91

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Solution

The fourth proportional to 3,813.23, 5,718.90 and 1,039.91 is: 1,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.23 : 5,718.90 = 1,039.91 : x
  2. Step 2: Convert to fraction form
    3,813.23/5,718.90 = 1,039.91/x
  3. Step 3: Cross multiply
    3,813.23x = 5,718.90 × 1,039.91
  4. Step 4: Simplify right side
    3,813.23x = 5,947,138.05
  5. Step 5: Solve for x
    x = 5,947,138.05/3,813.23
  6. Step 6: Final answer
    x = 1,559.61

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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.