Home / 3,747.64-5,621.44-1,282.48

Finding the Fourth Proportional to 3,747.64, 5,621.44 and 1,282.48

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Solution

The fourth proportional to 3,747.64, 5,621.44 and 1,282.48 is: 1,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.64 : 5,621.44 = 1,282.48 : x
  2. Step 2: Convert to fraction form
    3,747.64/5,621.44 = 1,282.48/x
  3. Step 3: Cross multiply
    3,747.64x = 5,621.44 × 1,282.48
  4. Step 4: Simplify right side
    3,747.64x = 7,209,384.37
  5. Step 5: Solve for x
    x = 7,209,384.37/3,747.64
  6. Step 6: Final answer
    x = 1,923.71

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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.