Home / 2,213.70-3,055.11-1,329.48

Finding the Fourth Proportional to 2,213.70, 3,055.11 and 1,329.48

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Solution

The fourth proportional to 2,213.70, 3,055.11 and 1,329.48 is: 1,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.70 : 3,055.11 = 1,329.48 : x
  2. Step 2: Convert to fraction form
    2,213.70/3,055.11 = 1,329.48/x
  3. Step 3: Cross multiply
    2,213.70x = 3,055.11 × 1,329.48
  4. Step 4: Simplify right side
    2,213.70x = 4,061,707.64
  5. Step 5: Solve for x
    x = 4,061,707.64/2,213.70
  6. Step 6: Final answer
    x = 1,834.81

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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.