Home / 3,272.74-4,911.27-1,424.86

Finding the Fourth Proportional to 3,272.74, 4,911.27 and 1,424.86

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Solution

The fourth proportional to 3,272.74, 4,911.27 and 1,424.86 is: 2,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.74 : 4,911.27 = 1,424.86 : x
  2. Step 2: Convert to fraction form
    3,272.74/4,911.27 = 1,424.86/x
  3. Step 3: Cross multiply
    3,272.74x = 4,911.27 × 1,424.86
  4. Step 4: Simplify right side
    3,272.74x = 6,997,872.17
  5. Step 5: Solve for x
    x = 6,997,872.17/3,272.74
  6. Step 6: Final answer
    x = 2,138.23

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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.