Home / 2,195.81-3,029.89-1,251.69

Finding the Fourth Proportional to 2,195.81, 3,029.89 and 1,251.69

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Solution

The fourth proportional to 2,195.81, 3,029.89 and 1,251.69 is: 1,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.81 : 3,029.89 = 1,251.69 : x
  2. Step 2: Convert to fraction form
    2,195.81/3,029.89 = 1,251.69/x
  3. Step 3: Cross multiply
    2,195.81x = 3,029.89 × 1,251.69
  4. Step 4: Simplify right side
    2,195.81x = 3,792,477.37
  5. Step 5: Solve for x
    x = 3,792,477.37/2,195.81
  6. Step 6: Final answer
    x = 1,727.14

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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.