Home / 2,212.77-3,319.13-896.51

Finding the Fourth Proportional to 2,212.77, 3,319.13 and 896.51

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Solution

The fourth proportional to 2,212.77, 3,319.13 and 896.51 is: 1,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.77 : 3,319.13 = 896.51 : x
  2. Step 2: Convert to fraction form
    2,212.77/3,319.13 = 896.51/x
  3. Step 3: Cross multiply
    2,212.77x = 3,319.13 × 896.51
  4. Step 4: Simplify right side
    2,212.77x = 2,975,645.29
  5. Step 5: Solve for x
    x = 2,975,645.29/2,212.77
  6. Step 6: Final answer
    x = 1,344.76

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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.