Home / 1,937.25-2,908.24-1,279.69

Finding the Fourth Proportional to 1,937.25, 2,908.24 and 1,279.69

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Solution

The fourth proportional to 1,937.25, 2,908.24 and 1,279.69 is: 1,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.25 : 2,908.24 = 1,279.69 : x
  2. Step 2: Convert to fraction form
    1,937.25/2,908.24 = 1,279.69/x
  3. Step 3: Cross multiply
    1,937.25x = 2,908.24 × 1,279.69
  4. Step 4: Simplify right side
    1,937.25x = 3,721,628.39
  5. Step 5: Solve for x
    x = 3,721,628.39/1,937.25
  6. Step 6: Final answer
    x = 1,921.09

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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.