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Finding the Fourth Proportional to 2,633.61, 3,950.46 and 1,904.61

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Solution

The fourth proportional to 2,633.61, 3,950.46 and 1,904.61 is: 2,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.61 : 3,950.46 = 1,904.61 : x
  2. Step 2: Convert to fraction form
    2,633.61/3,950.46 = 1,904.61/x
  3. Step 3: Cross multiply
    2,633.61x = 3,950.46 × 1,904.61
  4. Step 4: Simplify right side
    2,633.61x = 7,524,085.62
  5. Step 5: Solve for x
    x = 7,524,085.62/2,633.61
  6. Step 6: Final answer
    x = 2,856.95

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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.