Home / 3,366.29-5,051.55-1,286.51

Finding the Fourth Proportional to 3,366.29, 5,051.55 and 1,286.51

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Solution

The fourth proportional to 3,366.29, 5,051.55 and 1,286.51 is: 1,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.29 : 5,051.55 = 1,286.51 : x
  2. Step 2: Convert to fraction form
    3,366.29/5,051.55 = 1,286.51/x
  3. Step 3: Cross multiply
    3,366.29x = 5,051.55 × 1,286.51
  4. Step 4: Simplify right side
    3,366.29x = 6,498,869.59
  5. Step 5: Solve for x
    x = 6,498,869.59/3,366.29
  6. Step 6: Final answer
    x = 1,930.57

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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.