Home / 3,542.22-5,313.30-2,155.95

Finding the Fourth Proportional to 3,542.22, 5,313.30 and 2,155.95

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Solution

The fourth proportional to 3,542.22, 5,313.30 and 2,155.95 is: 3,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.22 : 5,313.30 = 2,155.95 : x
  2. Step 2: Convert to fraction form
    3,542.22/5,313.30 = 2,155.95/x
  3. Step 3: Cross multiply
    3,542.22x = 5,313.30 × 2,155.95
  4. Step 4: Simplify right side
    3,542.22x = 11,455,209.14
  5. Step 5: Solve for x
    x = 11,455,209.14/3,542.22
  6. Step 6: Final answer
    x = 3,233.91

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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.