Home / 3,832.92-5,288.49-2,153.99

Finding the Fourth Proportional to 3,832.92, 5,288.49 and 2,153.99

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Solution

The fourth proportional to 3,832.92, 5,288.49 and 2,153.99 is: 2,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.92 : 5,288.49 = 2,153.99 : x
  2. Step 2: Convert to fraction form
    3,832.92/5,288.49 = 2,153.99/x
  3. Step 3: Cross multiply
    3,832.92x = 5,288.49 × 2,153.99
  4. Step 4: Simplify right side
    3,832.92x = 11,391,367.80
  5. Step 5: Solve for x
    x = 11,391,367.80/3,832.92
  6. Step 6: Final answer
    x = 2,971.98

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1.5x scale

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.