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Finding the Fourth Proportional to 2,044.85, 3,067.11 and 657.81

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Solution

The fourth proportional to 2,044.85, 3,067.11 and 657.81 is: 986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.85 : 3,067.11 = 657.81 : x
  2. Step 2: Convert to fraction form
    2,044.85/3,067.11 = 657.81/x
  3. Step 3: Cross multiply
    2,044.85x = 3,067.11 × 657.81
  4. Step 4: Simplify right side
    2,044.85x = 2,017,575.63
  5. Step 5: Solve for x
    x = 2,017,575.63/2,044.85
  6. Step 6: Final answer
    x = 986.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.