Home / 3,578.72-4,936.45-2,367.40

Finding the Fourth Proportional to 3,578.72, 4,936.45 and 2,367.40

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Solution

The fourth proportional to 3,578.72, 4,936.45 and 2,367.40 is: 3,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.72 : 4,936.45 = 2,367.40 : x
  2. Step 2: Convert to fraction form
    3,578.72/4,936.45 = 2,367.40/x
  3. Step 3: Cross multiply
    3,578.72x = 4,936.45 × 2,367.40
  4. Step 4: Simplify right side
    3,578.72x = 11,686,551.73
  5. Step 5: Solve for x
    x = 11,686,551.73/3,578.72
  6. Step 6: Final answer
    x = 3,265.57

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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.