Home / 3,555.44-5,322-2,581.28

Finding the Fourth Proportional to 3,555.44, 5,322 and 2,581.28

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Solution

The fourth proportional to 3,555.44, 5,322 and 2,581.28 is: 3,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.44 : 5,322 = 2,581.28 : x
  2. Step 2: Convert to fraction form
    3,555.44/5,322 = 2,581.28/x
  3. Step 3: Cross multiply
    3,555.44x = 5,322 × 2,581.28
  4. Step 4: Simplify right side
    3,555.44x = 13,737,572.16
  5. Step 5: Solve for x
    x = 13,737,572.16/3,555.44
  6. Step 6: Final answer
    x = 3,863.82

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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.