Home / 3,272.68-4,911.01-1,423.81

Finding the Fourth Proportional to 3,272.68, 4,911.01 and 1,423.81

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Solution

The fourth proportional to 3,272.68, 4,911.01 and 1,423.81 is: 2,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.68 : 4,911.01 = 1,423.81 : x
  2. Step 2: Convert to fraction form
    3,272.68/4,911.01 = 1,423.81/x
  3. Step 3: Cross multiply
    3,272.68x = 4,911.01 × 1,423.81
  4. Step 4: Simplify right side
    3,272.68x = 6,992,365.68
  5. Step 5: Solve for x
    x = 6,992,365.68/3,272.68
  6. Step 6: Final answer
    x = 2,136.58

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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.