Home / 3,768.88-5,652.60-1,305.28

Finding the Fourth Proportional to 3,768.88, 5,652.60 and 1,305.28

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Solution

The fourth proportional to 3,768.88, 5,652.60 and 1,305.28 is: 1,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.88 : 5,652.60 = 1,305.28 : x
  2. Step 2: Convert to fraction form
    3,768.88/5,652.60 = 1,305.28/x
  3. Step 3: Cross multiply
    3,768.88x = 5,652.60 × 1,305.28
  4. Step 4: Simplify right side
    3,768.88x = 7,378,225.73
  5. Step 5: Solve for x
    x = 7,378,225.73/3,768.88
  6. Step 6: Final answer
    x = 1,957.67

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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.