Home / 1,849.91-2,767.27-1,687.71

Finding the Fourth Proportional to 1,849.91, 2,767.27 and 1,687.71

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Solution

The fourth proportional to 1,849.91, 2,767.27 and 1,687.71 is: 2,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.91 : 2,767.27 = 1,687.71 : x
  2. Step 2: Convert to fraction form
    1,849.91/2,767.27 = 1,687.71/x
  3. Step 3: Cross multiply
    1,849.91x = 2,767.27 × 1,687.71
  4. Step 4: Simplify right side
    1,849.91x = 4,670,349.25
  5. Step 5: Solve for x
    x = 4,670,349.25/1,849.91
  6. Step 6: Final answer
    x = 2,524.64

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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.