Home / 2,286.81-3,422.79-1,244.34

Finding the Fourth Proportional to 2,286.81, 3,422.79 and 1,244.34

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Solution

The fourth proportional to 2,286.81, 3,422.79 and 1,244.34 is: 1,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.81 : 3,422.79 = 1,244.34 : x
  2. Step 2: Convert to fraction form
    2,286.81/3,422.79 = 1,244.34/x
  3. Step 3: Cross multiply
    2,286.81x = 3,422.79 × 1,244.34
  4. Step 4: Simplify right side
    2,286.81x = 4,259,114.51
  5. Step 5: Solve for x
    x = 4,259,114.51/2,286.81
  6. Step 6: Final answer
    x = 1,862.47

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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.