Home / 3,719.70-5,580.54-3,311.62

Finding the Fourth Proportional to 3,719.70, 5,580.54 and 3,311.62

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Solution

The fourth proportional to 3,719.70, 5,580.54 and 3,311.62 is: 4,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.70 : 5,580.54 = 3,311.62 : x
  2. Step 2: Convert to fraction form
    3,719.70/5,580.54 = 3,311.62/x
  3. Step 3: Cross multiply
    3,719.70x = 5,580.54 × 3,311.62
  4. Step 4: Simplify right side
    3,719.70x = 18,480,613.92
  5. Step 5: Solve for x
    x = 18,480,613.92/3,719.70
  6. Step 6: Final answer
    x = 4,968.31

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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.