Home / 2,135.88-2,944.89-1,546.20

Finding the Fourth Proportional to 2,135.88, 2,944.89 and 1,546.20

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Solution

The fourth proportional to 2,135.88, 2,944.89 and 1,546.20 is: 2,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.88 : 2,944.89 = 1,546.20 : x
  2. Step 2: Convert to fraction form
    2,135.88/2,944.89 = 1,546.20/x
  3. Step 3: Cross multiply
    2,135.88x = 2,944.89 × 1,546.20
  4. Step 4: Simplify right side
    2,135.88x = 4,553,388.92
  5. Step 5: Solve for x
    x = 4,553,388.92/2,135.88
  6. Step 6: Final answer
    x = 2,131.86

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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.