Home / 2,029.22-2,798.88-1,282.48

Finding the Fourth Proportional to 2,029.22, 2,798.88 and 1,282.48

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Solution

The fourth proportional to 2,029.22, 2,798.88 and 1,282.48 is: 1,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.22 : 2,798.88 = 1,282.48 : x
  2. Step 2: Convert to fraction form
    2,029.22/2,798.88 = 1,282.48/x
  3. Step 3: Cross multiply
    2,029.22x = 2,798.88 × 1,282.48
  4. Step 4: Simplify right side
    2,029.22x = 3,589,507.62
  5. Step 5: Solve for x
    x = 3,589,507.62/2,029.22
  6. Step 6: Final answer
    x = 1,768.91

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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.