Home / 2,211.57-3,054.92-1,550.61

Finding the Fourth Proportional to 2,211.57, 3,054.92 and 1,550.61

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Solution

The fourth proportional to 2,211.57, 3,054.92 and 1,550.61 is: 2,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.57 : 3,054.92 = 1,550.61 : x
  2. Step 2: Convert to fraction form
    2,211.57/3,054.92 = 1,550.61/x
  3. Step 3: Cross multiply
    2,211.57x = 3,054.92 × 1,550.61
  4. Step 4: Simplify right side
    2,211.57x = 4,736,981.75
  5. Step 5: Solve for x
    x = 4,736,981.75/2,211.57
  6. Step 6: Final answer
    x = 2,141.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.