Home / 2,210.94-3,313.67-1,115.62

Finding the Fourth Proportional to 2,210.94, 3,313.67 and 1,115.62

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Solution

The fourth proportional to 2,210.94, 3,313.67 and 1,115.62 is: 1,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.94 : 3,313.67 = 1,115.62 : x
  2. Step 2: Convert to fraction form
    2,210.94/3,313.67 = 1,115.62/x
  3. Step 3: Cross multiply
    2,210.94x = 3,313.67 × 1,115.62
  4. Step 4: Simplify right side
    2,210.94x = 3,696,791.03
  5. Step 5: Solve for x
    x = 3,696,791.03/2,210.94
  6. Step 6: Final answer
    x = 1,672.04

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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.