Home / 2,628.18-3,943.85-1,067.99

Finding the Fourth Proportional to 2,628.18, 3,943.85 and 1,067.99

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Solution

The fourth proportional to 2,628.18, 3,943.85 and 1,067.99 is: 1,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.18 : 3,943.85 = 1,067.99 : x
  2. Step 2: Convert to fraction form
    2,628.18/3,943.85 = 1,067.99/x
  3. Step 3: Cross multiply
    2,628.18x = 3,943.85 × 1,067.99
  4. Step 4: Simplify right side
    2,628.18x = 4,211,967.30
  5. Step 5: Solve for x
    x = 4,211,967.30/2,628.18
  6. Step 6: Final answer
    x = 1,602.62

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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.