Home / 1,814.82-2,503.71-1,343.85

Finding the Fourth Proportional to 1,814.82, 2,503.71 and 1,343.85

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Solution

The fourth proportional to 1,814.82, 2,503.71 and 1,343.85 is: 1,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.82 : 2,503.71 = 1,343.85 : x
  2. Step 2: Convert to fraction form
    1,814.82/2,503.71 = 1,343.85/x
  3. Step 3: Cross multiply
    1,814.82x = 2,503.71 × 1,343.85
  4. Step 4: Simplify right side
    1,814.82x = 3,364,610.68
  5. Step 5: Solve for x
    x = 3,364,610.68/1,814.82
  6. Step 6: Final answer
    x = 1,853.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.