Home / 3,722.91-5,135.81-2,603.44

Finding the Fourth Proportional to 3,722.91, 5,135.81 and 2,603.44

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Solution

The fourth proportional to 3,722.91, 5,135.81 and 2,603.44 is: 3,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.91 : 5,135.81 = 2,603.44 : x
  2. Step 2: Convert to fraction form
    3,722.91/5,135.81 = 2,603.44/x
  3. Step 3: Cross multiply
    3,722.91x = 5,135.81 × 2,603.44
  4. Step 4: Simplify right side
    3,722.91x = 13,370,766.59
  5. Step 5: Solve for x
    x = 13,370,766.59/3,722.91
  6. Step 6: Final answer
    x = 3,591.48

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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.