Home / 2,965.77-4,448.66-1,211.61

Finding the Fourth Proportional to 2,965.77, 4,448.66 and 1,211.61

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Solution

The fourth proportional to 2,965.77, 4,448.66 and 1,211.61 is: 1,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.77 : 4,448.66 = 1,211.61 : x
  2. Step 2: Convert to fraction form
    2,965.77/4,448.66 = 1,211.61/x
  3. Step 3: Cross multiply
    2,965.77x = 4,448.66 × 1,211.61
  4. Step 4: Simplify right side
    2,965.77x = 5,390,018.70
  5. Step 5: Solve for x
    x = 5,390,018.70/2,965.77
  6. Step 6: Final answer
    x = 1,817.41

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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.