Home / 2,814.28-3,883.94-1,635.28

Finding the Fourth Proportional to 2,814.28, 3,883.94 and 1,635.28

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Solution

The fourth proportional to 2,814.28, 3,883.94 and 1,635.28 is: 2,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.28 : 3,883.94 = 1,635.28 : x
  2. Step 2: Convert to fraction form
    2,814.28/3,883.94 = 1,635.28/x
  3. Step 3: Cross multiply
    2,814.28x = 3,883.94 × 1,635.28
  4. Step 4: Simplify right side
    2,814.28x = 6,351,329.40
  5. Step 5: Solve for x
    x = 6,351,329.40/2,814.28
  6. Step 6: Final answer
    x = 2,256.82

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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.