Home / 1,286.28-1,924.97-1,010.07

Finding the Fourth Proportional to 1,286.28, 1,924.97 and 1,010.07

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Solution

The fourth proportional to 1,286.28, 1,924.97 and 1,010.07 is: 1,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286.28 : 1,924.97 = 1,010.07 : x
  2. Step 2: Convert to fraction form
    1,286.28/1,924.97 = 1,010.07/x
  3. Step 3: Cross multiply
    1,286.28x = 1,924.97 × 1,010.07
  4. Step 4: Simplify right side
    1,286.28x = 1,944,349.40
  5. Step 5: Solve for x
    x = 1,944,349.40/1,286.28
  6. Step 6: Final answer
    x = 1,511.61

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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.