Home / 3,580.85-5,356.91-2,965.75

Finding the Fourth Proportional to 3,580.85, 5,356.91 and 2,965.75

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Solution

The fourth proportional to 3,580.85, 5,356.91 and 2,965.75 is: 4,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.85 : 5,356.91 = 2,965.75 : x
  2. Step 2: Convert to fraction form
    3,580.85/5,356.91 = 2,965.75/x
  3. Step 3: Cross multiply
    3,580.85x = 5,356.91 × 2,965.75
  4. Step 4: Simplify right side
    3,580.85x = 15,887,263.25
  5. Step 5: Solve for x
    x = 15,887,263.25/3,580.85
  6. Step 6: Final answer
    x = 4,436.73

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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.