Home / 3,582.08-5,377.44-2,122.88

Finding the Fourth Proportional to 3,582.08, 5,377.44 and 2,122.88

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Solution

The fourth proportional to 3,582.08, 5,377.44 and 2,122.88 is: 3,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.08 : 5,377.44 = 2,122.88 : x
  2. Step 2: Convert to fraction form
    3,582.08/5,377.44 = 2,122.88/x
  3. Step 3: Cross multiply
    3,582.08x = 5,377.44 × 2,122.88
  4. Step 4: Simplify right side
    3,582.08x = 11,415,659.83
  5. Step 5: Solve for x
    x = 11,415,659.83/3,582.08
  6. Step 6: Final answer
    x = 3,186.88

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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.