Home / 2,956.28-4,433.70-1,107.56

Finding the Fourth Proportional to 2,956.28, 4,433.70 and 1,107.56

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Solution

The fourth proportional to 2,956.28, 4,433.70 and 1,107.56 is: 1,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.28 : 4,433.70 = 1,107.56 : x
  2. Step 2: Convert to fraction form
    2,956.28/4,433.70 = 1,107.56/x
  3. Step 3: Cross multiply
    2,956.28x = 4,433.70 × 1,107.56
  4. Step 4: Simplify right side
    2,956.28x = 4,910,588.77
  5. Step 5: Solve for x
    x = 4,910,588.77/2,956.28
  6. Step 6: Final answer
    x = 1,661.07

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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.