Home / 3,928.96-5,893.35-1,155.56

Finding the Fourth Proportional to 3,928.96, 5,893.35 and 1,155.56

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Solution

The fourth proportional to 3,928.96, 5,893.35 and 1,155.56 is: 1,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.96 : 5,893.35 = 1,155.56 : x
  2. Step 2: Convert to fraction form
    3,928.96/5,893.35 = 1,155.56/x
  3. Step 3: Cross multiply
    3,928.96x = 5,893.35 × 1,155.56
  4. Step 4: Simplify right side
    3,928.96x = 6,810,119.53
  5. Step 5: Solve for x
    x = 6,810,119.53/3,928.96
  6. Step 6: Final answer
    x = 1,733.31

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1.5x scale

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.