Home / 3,953.30-5,455.62-2,184.86

Finding the Fourth Proportional to 3,953.30, 5,455.62 and 2,184.86

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Solution

The fourth proportional to 3,953.30, 5,455.62 and 2,184.86 is: 3,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.30 : 5,455.62 = 2,184.86 : x
  2. Step 2: Convert to fraction form
    3,953.30/5,455.62 = 2,184.86/x
  3. Step 3: Cross multiply
    3,953.30x = 5,455.62 × 2,184.86
  4. Step 4: Simplify right side
    3,953.30x = 11,919,765.91
  5. Step 5: Solve for x
    x = 11,919,765.91/3,953.30
  6. Step 6: Final answer
    x = 3,015.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.