Home / 1,323.08-1,996.51-1,274.84

Finding the Fourth Proportional to 1,323.08, 1,996.51 and 1,274.84

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Solution

The fourth proportional to 1,323.08, 1,996.51 and 1,274.84 is: 1,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.08 : 1,996.51 = 1,274.84 : x
  2. Step 2: Convert to fraction form
    1,323.08/1,996.51 = 1,274.84/x
  3. Step 3: Cross multiply
    1,323.08x = 1,996.51 × 1,274.84
  4. Step 4: Simplify right side
    1,323.08x = 2,545,217.64
  5. Step 5: Solve for x
    x = 2,545,217.64/1,323.08
  6. Step 6: Final answer
    x = 1,923.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.