Home / 3,928.53-5,893.80-1,155.29

Finding the Fourth Proportional to 3,928.53, 5,893.80 and 1,155.29

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Solution

The fourth proportional to 3,928.53, 5,893.80 and 1,155.29 is: 1,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.53 : 5,893.80 = 1,155.29 : x
  2. Step 2: Convert to fraction form
    3,928.53/5,893.80 = 1,155.29/x
  3. Step 3: Cross multiply
    3,928.53x = 5,893.80 × 1,155.29
  4. Step 4: Simplify right side
    3,928.53x = 6,809,045.17
  5. Step 5: Solve for x
    x = 6,809,045.17/3,928.53
  6. Step 6: Final answer
    x = 1,733.23

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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.