Home / 3,813.70-5,720.97-1,216.04

Finding the Fourth Proportional to 3,813.70, 5,720.97 and 1,216.04

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Solution

The fourth proportional to 3,813.70, 5,720.97 and 1,216.04 is: 1,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.70 : 5,720.97 = 1,216.04 : x
  2. Step 2: Convert to fraction form
    3,813.70/5,720.97 = 1,216.04/x
  3. Step 3: Cross multiply
    3,813.70x = 5,720.97 × 1,216.04
  4. Step 4: Simplify right side
    3,813.70x = 6,956,928.36
  5. Step 5: Solve for x
    x = 6,956,928.36/3,813.70
  6. Step 6: Final answer
    x = 1,824.19

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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.