Home / 3,782.28-5,667.75-2,956.89

Finding the Fourth Proportional to 3,782.28, 5,667.75 and 2,956.89

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Solution

The fourth proportional to 3,782.28, 5,667.75 and 2,956.89 is: 4,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.28 : 5,667.75 = 2,956.89 : x
  2. Step 2: Convert to fraction form
    3,782.28/5,667.75 = 2,956.89/x
  3. Step 3: Cross multiply
    3,782.28x = 5,667.75 × 2,956.89
  4. Step 4: Simplify right side
    3,782.28x = 16,758,913.30
  5. Step 5: Solve for x
    x = 16,758,913.30/3,782.28
  6. Step 6: Final answer
    x = 4,430.90

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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.