Home / 2,178.17-3,250.44-1,944.56

Finding the Fourth Proportional to 2,178.17, 3,250.44 and 1,944.56

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Solution

The fourth proportional to 2,178.17, 3,250.44 and 1,944.56 is: 2,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.17 : 3,250.44 = 1,944.56 : x
  2. Step 2: Convert to fraction form
    2,178.17/3,250.44 = 1,944.56/x
  3. Step 3: Cross multiply
    2,178.17x = 3,250.44 × 1,944.56
  4. Step 4: Simplify right side
    2,178.17x = 6,320,659.35
  5. Step 5: Solve for x
    x = 6,320,659.35/2,178.17
  6. Step 6: Final answer
    x = 2,901.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.