Home / 2,212.27-3,316.44-1,432.87

Finding the Fourth Proportional to 2,212.27, 3,316.44 and 1,432.87

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Solution

The fourth proportional to 2,212.27, 3,316.44 and 1,432.87 is: 2,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.27 : 3,316.44 = 1,432.87 : x
  2. Step 2: Convert to fraction form
    2,212.27/3,316.44 = 1,432.87/x
  3. Step 3: Cross multiply
    2,212.27x = 3,316.44 × 1,432.87
  4. Step 4: Simplify right side
    2,212.27x = 4,752,027.38
  5. Step 5: Solve for x
    x = 4,752,027.38/2,212.27
  6. Step 6: Final answer
    x = 2,148.03

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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.