Home / 1,944.42-2,679.71-1,384.94

Finding the Fourth Proportional to 1,944.42, 2,679.71 and 1,384.94

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Solution

The fourth proportional to 1,944.42, 2,679.71 and 1,384.94 is: 1,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.42 : 2,679.71 = 1,384.94 : x
  2. Step 2: Convert to fraction form
    1,944.42/2,679.71 = 1,384.94/x
  3. Step 3: Cross multiply
    1,944.42x = 2,679.71 × 1,384.94
  4. Step 4: Simplify right side
    1,944.42x = 3,711,217.24
  5. Step 5: Solve for x
    x = 3,711,217.24/1,944.42
  6. Step 6: Final answer
    x = 1,908.65

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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.