Home / 3,832.33-5,288.63-2,153.81

Finding the Fourth Proportional to 3,832.33, 5,288.63 and 2,153.81

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Solution

The fourth proportional to 3,832.33, 5,288.63 and 2,153.81 is: 2,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.33 : 5,288.63 = 2,153.81 : x
  2. Step 2: Convert to fraction form
    3,832.33/5,288.63 = 2,153.81/x
  3. Step 3: Cross multiply
    3,832.33x = 5,288.63 × 2,153.81
  4. Step 4: Simplify right side
    3,832.33x = 11,390,704.18
  5. Step 5: Solve for x
    x = 11,390,704.18/3,832.33
  6. Step 6: Final answer
    x = 2,972.27

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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.