Home / 3,723.28-5,581.44-1,256.37

Finding the Fourth Proportional to 3,723.28, 5,581.44 and 1,256.37

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Solution

The fourth proportional to 3,723.28, 5,581.44 and 1,256.37 is: 1,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.28 : 5,581.44 = 1,256.37 : x
  2. Step 2: Convert to fraction form
    3,723.28/5,581.44 = 1,256.37/x
  3. Step 3: Cross multiply
    3,723.28x = 5,581.44 × 1,256.37
  4. Step 4: Simplify right side
    3,723.28x = 7,012,353.77
  5. Step 5: Solve for x
    x = 7,012,353.77/3,723.28
  6. Step 6: Final answer
    x = 1,883.38

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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.