Home / 3,005.97-4,505.85-1,156.61

Finding the Fourth Proportional to 3,005.97, 4,505.85 and 1,156.61

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Solution

The fourth proportional to 3,005.97, 4,505.85 and 1,156.61 is: 1,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.97 : 4,505.85 = 1,156.61 : x
  2. Step 2: Convert to fraction form
    3,005.97/4,505.85 = 1,156.61/x
  3. Step 3: Cross multiply
    3,005.97x = 4,505.85 × 1,156.61
  4. Step 4: Simplify right side
    3,005.97x = 5,211,488.64
  5. Step 5: Solve for x
    x = 5,211,488.64/3,005.97
  6. Step 6: Final answer
    x = 1,733.71

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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.