Home / 3,928.40-5,894.65-1,847.33

Finding the Fourth Proportional to 3,928.40, 5,894.65 and 1,847.33

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Solution

The fourth proportional to 3,928.40, 5,894.65 and 1,847.33 is: 2,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.40 : 5,894.65 = 1,847.33 : x
  2. Step 2: Convert to fraction form
    3,928.40/5,894.65 = 1,847.33/x
  3. Step 3: Cross multiply
    3,928.40x = 5,894.65 × 1,847.33
  4. Step 4: Simplify right side
    3,928.40x = 10,889,370.11
  5. Step 5: Solve for x
    x = 10,889,370.11/3,928.40
  6. Step 6: Final answer
    x = 2,771.96

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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.