Home / 3,722.88-5,579.53-2,603.61

Finding the Fourth Proportional to 3,722.88, 5,579.53 and 2,603.61

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Solution

The fourth proportional to 3,722.88, 5,579.53 and 2,603.61 is: 3,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.88 : 5,579.53 = 2,603.61 : x
  2. Step 2: Convert to fraction form
    3,722.88/5,579.53 = 2,603.61/x
  3. Step 3: Cross multiply
    3,722.88x = 5,579.53 × 2,603.61
  4. Step 4: Simplify right side
    3,722.88x = 14,526,920.10
  5. Step 5: Solve for x
    x = 14,526,920.10/3,722.88
  6. Step 6: Final answer
    x = 3,902.07

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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.