Home / 3,832.26-5,288.28-2,153.46

Finding the Fourth Proportional to 3,832.26, 5,288.28 and 2,153.46

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Solution

The fourth proportional to 3,832.26, 5,288.28 and 2,153.46 is: 2,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.26 : 5,288.28 = 2,153.46 : x
  2. Step 2: Convert to fraction form
    3,832.26/5,288.28 = 2,153.46/x
  3. Step 3: Cross multiply
    3,832.26x = 5,288.28 × 2,153.46
  4. Step 4: Simplify right side
    3,832.26x = 11,388,099.45
  5. Step 5: Solve for x
    x = 11,388,099.45/3,832.26
  6. Step 6: Final answer
    x = 2,971.64

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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.