Home / 2,814.28-3,883.95-1,635.53

Finding the Fourth Proportional to 2,814.28, 3,883.95 and 1,635.53

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Solution

The fourth proportional to 2,814.28, 3,883.95 and 1,635.53 is: 2,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.28 : 3,883.95 = 1,635.53 : x
  2. Step 2: Convert to fraction form
    2,814.28/3,883.95 = 1,635.53/x
  3. Step 3: Cross multiply
    2,814.28x = 3,883.95 × 1,635.53
  4. Step 4: Simplify right side
    2,814.28x = 6,352,297.32
  5. Step 5: Solve for x
    x = 6,352,297.32/2,814.28
  6. Step 6: Final answer
    x = 2,257.17

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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.