Home / 2,814.35-3,883.14-1,634.72

Finding the Fourth Proportional to 2,814.35, 3,883.14 and 1,634.72

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Solution

The fourth proportional to 2,814.35, 3,883.14 and 1,634.72 is: 2,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.35 : 3,883.14 = 1,634.72 : x
  2. Step 2: Convert to fraction form
    2,814.35/3,883.14 = 1,634.72/x
  3. Step 3: Cross multiply
    2,814.35x = 3,883.14 × 1,634.72
  4. Step 4: Simplify right side
    2,814.35x = 6,347,846.62
  5. Step 5: Solve for x
    x = 6,347,846.62/2,814.35
  6. Step 6: Final answer
    x = 2,255.53

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1.5x scale

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.