Home / 3,558.60-4,909.47-2,231.82

Finding the Fourth Proportional to 3,558.60, 4,909.47 and 2,231.82

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Solution

The fourth proportional to 3,558.60, 4,909.47 and 2,231.82 is: 3,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.60 : 4,909.47 = 2,231.82 : x
  2. Step 2: Convert to fraction form
    3,558.60/4,909.47 = 2,231.82/x
  3. Step 3: Cross multiply
    3,558.60x = 4,909.47 × 2,231.82
  4. Step 4: Simplify right side
    3,558.60x = 10,957,060.03
  5. Step 5: Solve for x
    x = 10,957,060.03/3,558.60
  6. Step 6: Final answer
    x = 3,079.03

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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.