Home / 3,832.31-5,288.49-2,153.79

Finding the Fourth Proportional to 3,832.31, 5,288.49 and 2,153.79

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Solution

The fourth proportional to 3,832.31, 5,288.49 and 2,153.79 is: 2,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.31 : 5,288.49 = 2,153.79 : x
  2. Step 2: Convert to fraction form
    3,832.31/5,288.49 = 2,153.79/x
  3. Step 3: Cross multiply
    3,832.31x = 5,288.49 × 2,153.79
  4. Step 4: Simplify right side
    3,832.31x = 11,390,296.88
  5. Step 5: Solve for x
    x = 11,390,296.88/3,832.31
  6. Step 6: Final answer
    x = 2,972.17

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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.