Home / 2,028.11-2,798.96-1,242

Finding the Fourth Proportional to 2,028.11, 2,798.96 and 1,242

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Solution

The fourth proportional to 2,028.11, 2,798.96 and 1,242 is: 1,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.11 : 2,798.96 = 1,242 : x
  2. Step 2: Convert to fraction form
    2,028.11/2,798.96 = 1,242/x
  3. Step 3: Cross multiply
    2,028.11x = 2,798.96 × 1,242
  4. Step 4: Simplify right side
    2,028.11x = 3,476,302.11
  5. Step 5: Solve for x
    x = 3,476,302.11/2,028.11
  6. Step 6: Final answer
    x = 1,714.06

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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.