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Finding the Fourth Proportional to 2,044.89, 3,067.63 and 657.90

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Solution

The fourth proportional to 2,044.89, 3,067.63 and 657.90 is: 986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.89 : 3,067.63 = 657.90 : x
  2. Step 2: Convert to fraction form
    2,044.89/3,067.63 = 657.90/x
  3. Step 3: Cross multiply
    2,044.89x = 3,067.63 × 657.90
  4. Step 4: Simplify right side
    2,044.89x = 2,018,206.24
  5. Step 5: Solve for x
    x = 2,018,206.24/2,044.89
  6. Step 6: Final answer
    x = 986.95

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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.