Home / 2,749.32-4,116.60-2,311.92

Finding the Fourth Proportional to 2,749.32, 4,116.60 and 2,311.92

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Solution

The fourth proportional to 2,749.32, 4,116.60 and 2,311.92 is: 3,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.32 : 4,116.60 = 2,311.92 : x
  2. Step 2: Convert to fraction form
    2,749.32/4,116.60 = 2,311.92/x
  3. Step 3: Cross multiply
    2,749.32x = 4,116.60 × 2,311.92
  4. Step 4: Simplify right side
    2,749.32x = 9,517,249.87
  5. Step 5: Solve for x
    x = 9,517,249.87/2,749.32
  6. Step 6: Final answer
    x = 3,461.67

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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.