Home / 2,721.34-4,082.29-1,161.51

Finding the Fourth Proportional to 2,721.34, 4,082.29 and 1,161.51

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Solution

The fourth proportional to 2,721.34, 4,082.29 and 1,161.51 is: 1,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.34 : 4,082.29 = 1,161.51 : x
  2. Step 2: Convert to fraction form
    2,721.34/4,082.29 = 1,161.51/x
  3. Step 3: Cross multiply
    2,721.34x = 4,082.29 × 1,161.51
  4. Step 4: Simplify right side
    2,721.34x = 4,741,620.66
  5. Step 5: Solve for x
    x = 4,741,620.66/2,721.34
  6. Step 6: Final answer
    x = 1,742.38

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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.