Home / 3,558.74-4,909.01-2,231.96

Finding the Fourth Proportional to 3,558.74, 4,909.01 and 2,231.96

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Solution

The fourth proportional to 3,558.74, 4,909.01 and 2,231.96 is: 3,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.74 : 4,909.01 = 2,231.96 : x
  2. Step 2: Convert to fraction form
    3,558.74/4,909.01 = 2,231.96/x
  3. Step 3: Cross multiply
    3,558.74x = 4,909.01 × 2,231.96
  4. Step 4: Simplify right side
    3,558.74x = 10,956,678.25
  5. Step 5: Solve for x
    x = 10,956,678.25/3,558.74
  6. Step 6: Final answer
    x = 3,078.81

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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.