Home / 3,907.04-5,861.57-2,879.28

Finding the Fourth Proportional to 3,907.04, 5,861.57 and 2,879.28

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Solution

The fourth proportional to 3,907.04, 5,861.57 and 2,879.28 is: 4,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.04 : 5,861.57 = 2,879.28 : x
  2. Step 2: Convert to fraction form
    3,907.04/5,861.57 = 2,879.28/x
  3. Step 3: Cross multiply
    3,907.04x = 5,861.57 × 2,879.28
  4. Step 4: Simplify right side
    3,907.04x = 16,877,086.87
  5. Step 5: Solve for x
    x = 16,877,086.87/3,907.04
  6. Step 6: Final answer
    x = 4,319.67

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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.