Home / 1,944.32-2,911.68-1,394.24

Finding the Fourth Proportional to 1,944.32, 2,911.68 and 1,394.24

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Solution

The fourth proportional to 1,944.32, 2,911.68 and 1,394.24 is: 2,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.32 : 2,911.68 = 1,394.24 : x
  2. Step 2: Convert to fraction form
    1,944.32/2,911.68 = 1,394.24/x
  3. Step 3: Cross multiply
    1,944.32x = 2,911.68 × 1,394.24
  4. Step 4: Simplify right side
    1,944.32x = 4,059,580.72
  5. Step 5: Solve for x
    x = 4,059,580.72/1,944.32
  6. Step 6: Final answer
    x = 2,087.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.