Home / 3,965.30-5,463.30-2,618.51

Finding the Fourth Proportional to 3,965.30, 5,463.30 and 2,618.51

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Solution

The fourth proportional to 3,965.30, 5,463.30 and 2,618.51 is: 3,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.30 : 5,463.30 = 2,618.51 : x
  2. Step 2: Convert to fraction form
    3,965.30/5,463.30 = 2,618.51/x
  3. Step 3: Cross multiply
    3,965.30x = 5,463.30 × 2,618.51
  4. Step 4: Simplify right side
    3,965.30x = 14,305,706.25
  5. Step 5: Solve for x
    x = 14,305,706.25/3,965.30
  6. Step 6: Final answer
    x = 3,607.73

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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.