Home / 2,043.29-2,820.55-1,297.66

Finding the Fourth Proportional to 2,043.29, 2,820.55 and 1,297.66

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Solution

The fourth proportional to 2,043.29, 2,820.55 and 1,297.66 is: 1,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.29 : 2,820.55 = 1,297.66 : x
  2. Step 2: Convert to fraction form
    2,043.29/2,820.55 = 1,297.66/x
  3. Step 3: Cross multiply
    2,043.29x = 2,820.55 × 1,297.66
  4. Step 4: Simplify right side
    2,043.29x = 3,660,104.72
  5. Step 5: Solve for x
    x = 3,660,104.72/2,043.29
  6. Step 6: Final answer
    x = 1,791.28

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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.