Home / 2,063.12-2,847-1,131.44

Finding the Fourth Proportional to 2,063.12, 2,847 and 1,131.44

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Solution

The fourth proportional to 2,063.12, 2,847 and 1,131.44 is: 1,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.12 : 2,847 = 1,131.44 : x
  2. Step 2: Convert to fraction form
    2,063.12/2,847 = 1,131.44/x
  3. Step 3: Cross multiply
    2,063.12x = 2,847 × 1,131.44
  4. Step 4: Simplify right side
    2,063.12x = 3,221,209.68
  5. Step 5: Solve for x
    x = 3,221,209.68/2,063.12
  6. Step 6: Final answer
    x = 1,561.33

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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.