Home / 3,756.78-5,623.35-2,579.89

Finding the Fourth Proportional to 3,756.78, 5,623.35 and 2,579.89

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Solution

The fourth proportional to 3,756.78, 5,623.35 and 2,579.89 is: 3,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.78 : 5,623.35 = 2,579.89 : x
  2. Step 2: Convert to fraction form
    3,756.78/5,623.35 = 2,579.89/x
  3. Step 3: Cross multiply
    3,756.78x = 5,623.35 × 2,579.89
  4. Step 4: Simplify right side
    3,756.78x = 14,507,624.43
  5. Step 5: Solve for x
    x = 14,507,624.43/3,756.78
  6. Step 6: Final answer
    x = 3,861.72

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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.